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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org, Jacob Keller , Wojciech Drewek , Simon Horman , mschmidt@redhat.com, netdev@vger.kernel.org Subject: [PATCH v5 2/5] i40e: Introduce and use macros for iterating VSIs and VEBs Date: Fri, 24 Nov 2023 16:03:40 +0100 Message-ID: <20231124150343.81520-3-ivecera@redhat.com> In-Reply-To: <20231124150343.81520-1-ivecera@redhat.com> References: <20231124150343.81520-1-ivecera@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Fri, 24 Nov 2023 07:05:07 -0800 (PST) Introduce i40e_for_each_vsi() and i40e_for_each_veb() helper macros and use them to iterate relevant arrays. Replace pattern: for (i = 0; i < pf->num_alloc_vsi; i++) by: i40e_for_each_vsi(pf, i, vsi) and pattern: for (i = 0; i < I40E_MAX_VEB; i++) by i40e_for_each_veb(pf, i, veb) These macros also check if array item pf->vsi[i] or pf->veb[i] are not NULL and skip such items so we can remove redundant checks from loop bodies. Reviewed-by: Wojciech Drewek Signed-off-by: Ivan Vecera --- drivers/net/ethernet/intel/i40e/i40e.h | 56 ++- drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c | 10 +- .../net/ethernet/intel/i40e/i40e_debugfs.c | 54 +-- drivers/net/ethernet/intel/i40e/i40e_main.c | 389 ++++++++---------- 4 files changed, 264 insertions(+), 245 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index f1627ab211cd..08cea99150bc 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -686,6 +686,54 @@ struct i40e_pf { struct list_head ddp_old_prof; }; +/** + * __i40e_pf_next_vsi - get next valid VSI + * @pf: pointer to the PF struct + * @idx: pointer to start position number + * + * Find and return next non-NULL VSI pointer in pf->vsi array and + * updates idx position. Returns NULL if no VSI is found. + **/ +static __always_inline struct i40e_vsi * +__i40e_pf_next_vsi(struct i40e_pf *pf, int *idx) +{ + while (*idx < pf->num_alloc_vsi) { + if (pf->vsi[*idx]) + return pf->vsi[*idx]; + (*idx)++; + } + return NULL; +} + +#define i40e_pf_for_each_vsi(_pf, _i, _vsi) \ + for (_i = 0, _vsi = __i40e_pf_next_vsi(_pf, &_i); \ + _vsi; \ + _i++, _vsi = __i40e_pf_next_vsi(_pf, &_i)) + +/** + * __i40e_pf_next_veb - get next valid VEB + * @pf: pointer to the PF struct + * @idx: pointer to start position number + * + * Find and return next non-NULL VEB pointer in pf->veb array and + * updates idx position. Returns NULL if no VEB is found. + **/ +static __always_inline struct i40e_veb * +__i40e_pf_next_veb(struct i40e_pf *pf, int *idx) +{ + while (*idx < I40E_MAX_VEB) { + if (pf->veb[*idx]) + return pf->veb[*idx]; + (*idx)++; + } + return NULL; +} + +#define i40e_pf_for_each_veb(_pf, _i, _veb) \ + for (_i = 0, _veb = __i40e_pf_next_veb(_pf, &_i); \ + _veb; \ + _i++, _veb = __i40e_pf_next_veb(_pf, &_i)) + /** * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key * @macaddr: the MAC Address as the base key @@ -1120,14 +1168,12 @@ struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); static inline struct i40e_vsi * i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) { + struct i40e_vsi *vsi; int i; - for (i = 0; i < pf->num_alloc_vsi; i++) { - struct i40e_vsi *vsi = pf->vsi[i]; - - if (vsi && vsi->type == type) + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->type == type) return vsi; - } return NULL; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c index 4721845fda6e..57020effd2c7 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c @@ -948,16 +948,16 @@ static int i40e_dcbnl_vsi_del_app(struct i40e_vsi *vsi, static void i40e_dcbnl_del_app(struct i40e_pf *pf, struct i40e_dcb_app_priority_table *app) { + struct i40e_vsi *vsi; int v, err; - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (pf->vsi[v] && pf->vsi[v]->netdev) { - err = i40e_dcbnl_vsi_del_app(pf->vsi[v], app); + i40e_pf_for_each_vsi(pf, v, vsi) + if (vsi->netdev) { + err = i40e_dcbnl_vsi_del_app(vsi, app); dev_dbg(&pf->pdev->dev, "Deleting app for VSI seid=%d err=%d sel=%d proto=0x%x prio=%d\n", - pf->vsi[v]->seid, err, app->selector, + vsi->seid, err, app->selector, app->protocolid, app->priority); } - } } /** diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index ef70ddbe9c2f..b236b0f93202 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -24,14 +24,18 @@ enum ring_type { **/ static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) { + struct i40e_vsi *vsi; int i; - if (seid < 0) + if (seid < 0) { dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); - else - for (i = 0; i < pf->num_alloc_vsi; i++) - if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) - return pf->vsi[i]; + + return NULL; + } + + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->seid == seid) + return vsi; return NULL; } @@ -43,11 +47,13 @@ static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) **/ static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) { + struct i40e_veb *veb; int i; - for (i = 0; i < I40E_MAX_VEB; i++) - if (pf->veb[i] && pf->veb[i]->seid == seid) - return pf->veb[i]; + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == seid) + return veb; + return NULL; } @@ -653,12 +659,11 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, **/ static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int i; - for (i = 0; i < pf->num_alloc_vsi; i++) - if (pf->vsi[i]) - dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", - i, pf->vsi[i]->seid); + i40e_pf_for_each_vsi(pf, i, vsi) + dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, vsi->seid); } /** @@ -718,11 +723,8 @@ static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) struct i40e_veb *veb; int i; - for (i = 0; i < I40E_MAX_VEB; i++) { - veb = pf->veb[i]; - if (veb) - i40e_dbg_dump_veb_seid(pf, veb->seid); - } + i40e_pf_for_each_veb(pf, i, veb) + i40e_dbg_dump_veb_seid(pf, veb->seid); } /** @@ -873,9 +875,10 @@ static ssize_t i40e_dbg_command_write(struct file *filp, goto command_write_done; } - for (i = 0; i < I40E_MAX_VEB; i++) - if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == uplink_seid) break; + if (i >= I40E_MAX_VEB && uplink_seid != 0 && uplink_seid != pf->mac_seid) { dev_info(&pf->pdev->dev, @@ -892,7 +895,9 @@ static ssize_t i40e_dbg_command_write(struct file *filp, dev_info(&pf->pdev->dev, "add relay failed\n"); } else if (strncmp(cmd_buf, "del relay", 9) == 0) { + struct i40e_veb *veb; int i; + cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); if (cnt != 1) { dev_info(&pf->pdev->dev, @@ -906,9 +911,10 @@ static ssize_t i40e_dbg_command_write(struct file *filp, } /* find the veb */ - for (i = 0; i < I40E_MAX_VEB; i++) - if (pf->veb[i] && pf->veb[i]->seid == veb_seid) + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == veb_seid) break; + if (i >= I40E_MAX_VEB) { dev_info(&pf->pdev->dev, "del relay: relay %d not found\n", veb_seid); @@ -916,7 +922,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp, } dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); - i40e_veb_release(pf->veb[i]); + i40e_veb_release(veb); } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { unsigned int v; int ret; @@ -1251,8 +1257,8 @@ static ssize_t i40e_dbg_command_write(struct file *filp, if (cnt == 0) { int i; - for (i = 0; i < pf->num_alloc_vsi; i++) - i40e_vsi_reset_stats(pf->vsi[i]); + i40e_pf_for_each_vsi(pf, i, vsi) + i40e_vsi_reset_stats(vsi); dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); } else if (cnt == 1) { vsi = i40e_dbg_find_vsi(pf, vsi_seid); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 90966878333c..3a973a92779f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -304,11 +304,12 @@ static int i40e_put_lump(struct i40e_lump_tracking *pile, u16 index, u16 id) **/ struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id) { + struct i40e_vsi *vsi; int i; - for (i = 0; i < pf->num_alloc_vsi; i++) - if (pf->vsi[i] && (pf->vsi[i]->id == id)) - return pf->vsi[i]; + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->id == id) + return vsi; return NULL; } @@ -546,24 +547,19 @@ void i40e_vsi_reset_stats(struct i40e_vsi *vsi) **/ void i40e_pf_reset_stats(struct i40e_pf *pf) { + struct i40e_veb *veb; int i; memset(&pf->stats, 0, sizeof(pf->stats)); memset(&pf->stats_offsets, 0, sizeof(pf->stats_offsets)); pf->stat_offsets_loaded = false; - for (i = 0; i < I40E_MAX_VEB; i++) { - if (pf->veb[i]) { - memset(&pf->veb[i]->stats, 0, - sizeof(pf->veb[i]->stats)); - memset(&pf->veb[i]->stats_offsets, 0, - sizeof(pf->veb[i]->stats_offsets)); - memset(&pf->veb[i]->tc_stats, 0, - sizeof(pf->veb[i]->tc_stats)); - memset(&pf->veb[i]->tc_stats_offsets, 0, - sizeof(pf->veb[i]->tc_stats_offsets)); - pf->veb[i]->stat_offsets_loaded = false; - } + i40e_pf_for_each_veb(pf, i, veb) { + memset(&veb->stats, 0, sizeof(veb->stats)); + memset(&veb->stats_offsets, 0, sizeof(veb->stats_offsets)); + memset(&veb->tc_stats, 0, sizeof(veb->tc_stats)); + memset(&veb->tc_stats_offsets, 0, sizeof(veb->tc_stats_offsets)); + veb->stat_offsets_loaded = false; } pf->hw_csum_rx_error = 0; } @@ -2875,6 +2871,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) **/ static void i40e_sync_filters_subtask(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int v; if (!pf) @@ -2886,11 +2883,10 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) return; } - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (pf->vsi[v] && - (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED) && - !test_bit(__I40E_VSI_RELEASING, pf->vsi[v]->state)) { - int ret = i40e_sync_vsi_filters(pf->vsi[v]); + i40e_pf_for_each_vsi(pf, v, vsi) { + if ((vsi->flags & I40E_VSI_FLAG_FILTER_CHANGED) && + !test_bit(__I40E_VSI_RELEASING, vsi->state)) { + int ret = i40e_sync_vsi_filters(vsi); if (ret) { /* come back and try again later */ @@ -5162,6 +5158,7 @@ static void i40e_reset_interrupt_capability(struct i40e_pf *pf) **/ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int i; if (test_bit(__I40E_MISC_IRQ_REQUESTED, pf->state)) @@ -5171,9 +5168,10 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf) I40E_IWARP_IRQ_PILE_ID); i40e_put_lump(pf->irq_pile, 0, I40E_PILE_VALID_BIT-1); - for (i = 0; i < pf->num_alloc_vsi; i++) - if (pf->vsi[i]) - i40e_vsi_free_q_vectors(pf->vsi[i]); + + i40e_pf_for_each_vsi(pf, i, vsi) + i40e_vsi_free_q_vectors(vsi); + i40e_reset_interrupt_capability(pf); } @@ -5270,12 +5268,11 @@ static void i40e_unquiesce_vsi(struct i40e_vsi *vsi) **/ static void i40e_pf_quiesce_all_vsi(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int v; - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (pf->vsi[v]) - i40e_quiesce_vsi(pf->vsi[v]); - } + i40e_pf_for_each_vsi(pf, v, vsi) + i40e_quiesce_vsi(vsi); } /** @@ -5284,12 +5281,11 @@ static void i40e_pf_quiesce_all_vsi(struct i40e_pf *pf) **/ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int v; - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (pf->vsi[v]) - i40e_unquiesce_vsi(pf->vsi[v]); - } + i40e_pf_for_each_vsi(pf, v, vsi) + i40e_unquiesce_vsi(vsi); } /** @@ -5350,14 +5346,13 @@ int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi) **/ static int i40e_pf_wait_queues_disabled(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int v, ret = 0; - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (pf->vsi[v]) { - ret = i40e_vsi_wait_queues_disabled(pf->vsi[v]); - if (ret) - break; - } + i40e_pf_for_each_vsi(pf, v, vsi) { + ret = i40e_vsi_wait_queues_disabled(vsi); + if (ret) + break; } return ret; @@ -6774,32 +6769,29 @@ int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc) **/ static void i40e_dcb_reconfigure(struct i40e_pf *pf) { + struct i40e_vsi *vsi; + struct i40e_veb *veb; u8 tc_map = 0; int ret; - u8 v; + int v; /* Enable the TCs available on PF to all VEBs */ tc_map = i40e_pf_get_tc_map(pf); if (tc_map == I40E_DEFAULT_TRAFFIC_CLASS) return; - for (v = 0; v < I40E_MAX_VEB; v++) { - if (!pf->veb[v]) - continue; - ret = i40e_veb_config_tc(pf->veb[v], tc_map); + i40e_pf_for_each_veb(pf, v, veb) { + ret = i40e_veb_config_tc(veb, tc_map); if (ret) { dev_info(&pf->pdev->dev, "Failed configuring TC for VEB seid=%d\n", - pf->veb[v]->seid); + veb->seid); /* Will try to configure as many components */ } } /* Update each VSI */ - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (!pf->vsi[v]) - continue; - + i40e_pf_for_each_vsi(pf, v, vsi) { /* - Enable all TCs for the LAN VSI * - For all others keep them at TC0 for now */ @@ -6808,17 +6800,17 @@ static void i40e_dcb_reconfigure(struct i40e_pf *pf) else tc_map = I40E_DEFAULT_TRAFFIC_CLASS; - ret = i40e_vsi_config_tc(pf->vsi[v], tc_map); + ret = i40e_vsi_config_tc(vsi, tc_map); if (ret) { dev_info(&pf->pdev->dev, "Failed configuring TC for VSI seid=%d\n", - pf->vsi[v]->seid); + vsi->seid); /* Will try to configure as many components */ } else { /* Re-configure VSI vectors based on updated TC map */ - i40e_vsi_map_rings_to_vectors(pf->vsi[v]); - if (pf->vsi[v]->netdev) - i40e_dcbnl_set_all(pf->vsi[v]); + i40e_vsi_map_rings_to_vectors(vsi); + if (vsi->netdev) + i40e_dcbnl_set_all(vsi); } } } @@ -9253,7 +9245,9 @@ int i40e_close(struct net_device *netdev) **/ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired) { + struct i40e_vsi *vsi; u32 val; + int i; /* do the biggest reset indicated */ if (reset_flags & BIT_ULL(__I40E_GLOBAL_RESET_REQUESTED)) { @@ -9309,29 +9303,20 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired) "FW LLDP is enabled\n"); } else if (reset_flags & BIT_ULL(__I40E_REINIT_REQUESTED)) { - int v; - /* Find the VSI(s) that requested a re-init */ - dev_info(&pf->pdev->dev, - "VSI reinit requested\n"); - for (v = 0; v < pf->num_alloc_vsi; v++) { - struct i40e_vsi *vsi = pf->vsi[v]; + dev_info(&pf->pdev->dev, "VSI reinit requested\n"); - if (vsi != NULL && - test_and_clear_bit(__I40E_VSI_REINIT_REQUESTED, + i40e_pf_for_each_vsi(pf, i, vsi) { + if (test_and_clear_bit(__I40E_VSI_REINIT_REQUESTED, vsi->state)) - i40e_vsi_reinit_locked(pf->vsi[v]); + i40e_vsi_reinit_locked(vsi); } } else if (reset_flags & BIT_ULL(__I40E_DOWN_REQUESTED)) { - int v; - /* Find the VSI(s) that needs to be brought down */ dev_info(&pf->pdev->dev, "VSI down requested\n"); - for (v = 0; v < pf->num_alloc_vsi; v++) { - struct i40e_vsi *vsi = pf->vsi[v]; - if (vsi != NULL && - test_and_clear_bit(__I40E_VSI_DOWN_REQUESTED, + i40e_pf_for_each_vsi(pf, i, vsi) { + if (test_and_clear_bit(__I40E_VSI_DOWN_REQUESTED, vsi->state)) { set_bit(__I40E_VSI_DOWN, vsi->state); i40e_down(vsi); @@ -9886,6 +9871,8 @@ static void i40e_vsi_link_event(struct i40e_vsi *vsi, bool link_up) **/ static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up) { + struct i40e_veb *veb_it; + struct i40e_vsi *vsi; struct i40e_pf *pf; int i; @@ -9894,14 +9881,14 @@ static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up) pf = veb->pf; /* depth first... */ - for (i = 0; i < I40E_MAX_VEB; i++) - if (pf->veb[i] && (pf->veb[i]->uplink_seid == veb->seid)) - i40e_veb_link_event(pf->veb[i], link_up); + i40e_pf_for_each_veb(pf, i, veb_it) + if (veb_it->uplink_seid == veb->seid) + i40e_veb_link_event(veb_it, link_up); /* ... now the local VSIs */ - for (i = 0; i < pf->num_alloc_vsi; i++) - if (pf->vsi[i] && (pf->vsi[i]->uplink_seid == veb->seid)) - i40e_vsi_link_event(pf->vsi[i], link_up); + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->uplink_seid == veb->seid) + i40e_vsi_link_event(vsi, link_up); } /** @@ -9995,6 +9982,8 @@ static void i40e_link_event(struct i40e_pf *pf) **/ static void i40e_watchdog_subtask(struct i40e_pf *pf) { + struct i40e_vsi *vsi; + struct i40e_veb *veb; int i; /* if interface is down do nothing */ @@ -10016,15 +10005,14 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf) /* Update the stats for active netdevs so the network stack * can look at updated numbers whenever it cares to */ - for (i = 0; i < pf->num_alloc_vsi; i++) - if (pf->vsi[i] && pf->vsi[i]->netdev) - i40e_update_stats(pf->vsi[i]); + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->netdev) + i40e_update_stats(vsi); if (test_bit(I40E_FLAG_VEB_STATS_ENA, pf->flags)) { /* Update the stats for the active switching components */ - for (i = 0; i < I40E_MAX_VEB; i++) - if (pf->veb[i]) - i40e_update_veb_stats(pf->veb[i]); + i40e_pf_for_each_veb(pf, i, veb) + i40e_update_veb_stats(veb); } i40e_ptp_rx_hang(pf); @@ -10387,18 +10375,18 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) { struct i40e_vsi *ctl_vsi = NULL; struct i40e_pf *pf = veb->pf; - int v, veb_idx; - int ret; + struct i40e_veb *veb_it; + struct i40e_vsi *vsi; + int v, ret; /* build VSI that owns this VEB, temporarily attached to base VEB */ - for (v = 0; v < pf->num_alloc_vsi && !ctl_vsi; v++) { - if (pf->vsi[v] && - pf->vsi[v]->veb_idx == veb->idx && - pf->vsi[v]->flags & I40E_VSI_FLAG_VEB_OWNER) { - ctl_vsi = pf->vsi[v]; + i40e_pf_for_each_vsi(pf, v, vsi) + if (vsi->veb_idx == veb->idx && + vsi->flags & I40E_VSI_FLAG_VEB_OWNER) { + ctl_vsi = vsi; break; } - } + if (!ctl_vsi) { dev_info(&pf->pdev->dev, "missing owner VSI for veb_idx %d\n", veb->idx); @@ -10428,13 +10416,11 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) i40e_config_bridge_mode(veb); /* create the remaining VSIs attached to this VEB */ - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (!pf->vsi[v] || pf->vsi[v] == ctl_vsi) + i40e_pf_for_each_vsi(pf, v, vsi) { + if (vsi == ctl_vsi) continue; - if (pf->vsi[v]->veb_idx == veb->idx) { - struct i40e_vsi *vsi = pf->vsi[v]; - + if (vsi->veb_idx == veb->idx) { vsi->uplink_seid = veb->seid; ret = i40e_add_vsi(vsi); if (ret) { @@ -10448,10 +10434,10 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) } /* create any VEBs attached to this VEB - RECURSION */ - for (veb_idx = 0; veb_idx < I40E_MAX_VEB; veb_idx++) { - if (pf->veb[veb_idx] && pf->veb[veb_idx]->veb_idx == veb->idx) { - pf->veb[veb_idx]->uplink_seid = veb->seid; - ret = i40e_reconstitute_veb(pf->veb[veb_idx]); + i40e_pf_for_each_veb(pf, v, veb_it) { + if (veb_it->veb_idx == veb->idx) { + veb_it->uplink_seid = veb->seid; + ret = i40e_reconstitute_veb(veb_it); if (ret) break; } @@ -10725,6 +10711,7 @@ static void i40e_clean_xps_state(struct i40e_vsi *vsi) static void i40e_prep_for_reset(struct i40e_pf *pf) { struct i40e_hw *hw = &pf->hw; + struct i40e_vsi *vsi; int ret = 0; u32 v; @@ -10738,11 +10725,9 @@ static void i40e_prep_for_reset(struct i40e_pf *pf) /* quiesce the VSIs and their queues that are not already DOWN */ i40e_pf_quiesce_all_vsi(pf); - for (v = 0; v < pf->num_alloc_vsi; v++) { - if (pf->vsi[v]) { - i40e_clean_xps_state(pf->vsi[v]); - pf->vsi[v]->seid = 0; - } + i40e_pf_for_each_vsi(pf, v, vsi) { + i40e_clean_xps_state(vsi); + vsi->seid = 0; } i40e_shutdown_adminq(&pf->hw); @@ -10856,6 +10841,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) const bool is_recovery_mode_reported = i40e_check_recovery_mode(pf); struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; struct i40e_hw *hw = &pf->hw; + struct i40e_veb *veb; int ret = EBADE; u32 val; int v; @@ -10998,14 +10984,10 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) if (vsi->uplink_seid != pf->mac_seid) { dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n"); /* find the one VEB connected to the MAC, and find orphans */ - for (v = 0; v < I40E_MAX_VEB; v++) { - if (!pf->veb[v]) - continue; - - if (pf->veb[v]->uplink_seid == pf->mac_seid || - pf->veb[v]->uplink_seid == 0) { - ret = i40e_reconstitute_veb(pf->veb[v]); - + i40e_pf_for_each_veb(pf, v, veb) { + if (veb->uplink_seid == pf->mac_seid || + veb->uplink_seid == 0) { + ret = i40e_reconstitute_veb(veb); if (!ret) continue; @@ -11015,13 +10997,13 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) * If orphan failed, we'll report the error * but try to keep going. */ - if (pf->veb[v]->uplink_seid == pf->mac_seid) { + if (veb->uplink_seid == pf->mac_seid) { dev_info(&pf->pdev->dev, "rebuild of switch failed: %d, will try to set up simple PF connection\n", ret); vsi->uplink_seid = pf->mac_seid; break; - } else if (pf->veb[v]->uplink_seid == 0) { + } else if (veb->uplink_seid == 0) { dev_info(&pf->pdev->dev, "rebuild of orphan VEB failed: %d\n", ret); @@ -12112,6 +12094,7 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf) */ static int i40e_restore_interrupt_scheme(struct i40e_pf *pf) { + struct i40e_vsi *vsi; int err, i; /* We cleared the MSI and MSI-X flags when disabling the old interrupt @@ -12128,13 +12111,12 @@ static int i40e_restore_interrupt_scheme(struct i40e_pf *pf) /* Now that we've re-acquired IRQs, we need to remap the vectors and * rings together again. */ - for (i = 0; i < pf->num_alloc_vsi; i++) { - if (pf->vsi[i]) { - err = i40e_vsi_alloc_q_vectors(pf->vsi[i]); - if (err) - goto err_unwind; - i40e_vsi_map_rings_to_vectors(pf->vsi[i]); - } + i40e_pf_for_each_vsi(pf, i, vsi) { + err = i40e_vsi_alloc_q_vectors(vsi); + if (err) + goto err_unwind; + + i40e_vsi_map_rings_to_vectors(vsi); } err = i40e_setup_misc_vector(pf); @@ -13136,8 +13118,8 @@ static int i40e_ndo_bridge_setlink(struct net_device *dev, struct i40e_netdev_priv *np = netdev_priv(dev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; - struct i40e_veb *veb = NULL; struct nlattr *attr, *br_spec; + struct i40e_veb *veb; int i, rem; /* Only for PF VSI for now */ @@ -13145,10 +13127,11 @@ static int i40e_ndo_bridge_setlink(struct net_device *dev, return -EOPNOTSUPP; /* Find the HW bridge for PF VSI */ - for (i = 0; i < I40E_MAX_VEB && !veb; i++) { - if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid) - veb = pf->veb[i]; - } + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == vsi->uplink_seid) + break; + if (i == I40E_MAX_VEB) + veb = NULL; /* No VEB found */ br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); if (!br_spec) @@ -13221,12 +13204,10 @@ static int i40e_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, return -EOPNOTSUPP; /* Find the HW bridge for the PF VSI */ - for (i = 0; i < I40E_MAX_VEB && !veb; i++) { - if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid) - veb = pf->veb[i]; - } - - if (!veb) + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == vsi->uplink_seid) + break; + if (i == I40E_MAX_VEB) return 0; return ndo_dflt_bridge_getlink(skb, pid, seq, dev, veb->bridge_mode, @@ -14157,9 +14138,9 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) **/ int i40e_vsi_release(struct i40e_vsi *vsi) { + struct i40e_veb *veb, *veb_it; struct i40e_mac_filter *f; struct hlist_node *h; - struct i40e_veb *veb = NULL; struct i40e_pf *pf; u16 uplink_seid; int i, n, bkt; @@ -14229,20 +14210,18 @@ int i40e_vsi_release(struct i40e_vsi *vsi) * the orphan VEBs yet. We'll wait for an explicit remove request * from up the network stack. */ - for (n = 0, i = 0; i < pf->num_alloc_vsi; i++) { - if (pf->vsi[i] && - pf->vsi[i]->uplink_seid == uplink_seid && - (pf->vsi[i]->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) { + n = 0; + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->uplink_seid == uplink_seid && + (vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) n++; /* count the VSIs */ - } - } - for (i = 0; i < I40E_MAX_VEB; i++) { - if (!pf->veb[i]) - continue; - if (pf->veb[i]->uplink_seid == uplink_seid) + + veb = NULL; + i40e_pf_for_each_veb(pf, i, veb_it) { + if (veb_it->uplink_seid == uplink_seid) n++; /* count the VEBs */ - if (pf->veb[i]->seid == uplink_seid) - veb = pf->veb[i]; + if (veb_it->seid == uplink_seid) + veb = veb_it; } if (n == 0 && veb && veb->uplink_seid != 0) i40e_veb_release(veb); @@ -14419,22 +14398,18 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, * * Find which uplink_seid we were given and create a new VEB if needed */ - for (i = 0; i < I40E_MAX_VEB; i++) { - if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) { - veb = pf->veb[i]; + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == uplink_seid) break; - } - } + if (i == I40E_MAX_VEB) + veb = NULL; if (!veb && uplink_seid != pf->mac_seid) { - - for (i = 0; i < pf->num_alloc_vsi; i++) { - if (pf->vsi[i] && pf->vsi[i]->seid == uplink_seid) { - vsi = pf->vsi[i]; + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->seid == uplink_seid) break; - } - } - if (!vsi) { + + if (i == pf->num_alloc_vsi) { dev_info(&pf->pdev->dev, "no such uplink_seid %d\n", uplink_seid); return NULL; @@ -14462,11 +14437,10 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, } i40e_config_bridge_mode(veb); } - for (i = 0; i < I40E_MAX_VEB && !veb; i++) { - if (pf->veb[i] && pf->veb[i]->seid == vsi->uplink_seid) - veb = pf->veb[i]; - } - if (!veb) { + i40e_pf_for_each_veb(pf, i, veb) + if (veb->seid == vsi->uplink_seid) + break; + if (i == I40E_MAX_VEB) { dev_info(&pf->pdev->dev, "couldn't add VEB\n"); return NULL; } @@ -14695,29 +14669,24 @@ static void i40e_switch_branch_release(struct i40e_veb *branch) struct i40e_pf *pf = branch->pf; u16 branch_seid = branch->seid; u16 veb_idx = branch->idx; + struct i40e_vsi *vsi; + struct i40e_veb *veb; int i; /* release any VEBs on this VEB - RECURSION */ - for (i = 0; i < I40E_MAX_VEB; i++) { - if (!pf->veb[i]) - continue; - if (pf->veb[i]->uplink_seid == branch->seid) - i40e_switch_branch_release(pf->veb[i]); - } + i40e_pf_for_each_veb(pf, i, veb) + if (veb->uplink_seid == branch->seid) + i40e_switch_branch_release(veb); /* Release the VSIs on this VEB, but not the owner VSI. * * NOTE: Removing the last VSI on a VEB has the SIDE EFFECT of removing * the VEB itself, so don't use (*branch) after this loop. */ - for (i = 0; i < pf->num_alloc_vsi; i++) { - if (!pf->vsi[i]) - continue; - if (pf->vsi[i]->uplink_seid == branch_seid && - (pf->vsi[i]->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) { - i40e_vsi_release(pf->vsi[i]); - } - } + i40e_pf_for_each_vsi(pf, i, vsi) + if (vsi->uplink_seid == branch_seid && + (vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) + i40e_vsi_release(vsi); /* There's one corner case where the VEB might not have been * removed, so double check it here and remove it if needed. @@ -14755,19 +14724,19 @@ static void i40e_veb_clear(struct i40e_veb *veb) **/ void i40e_veb_release(struct i40e_veb *veb) { - struct i40e_vsi *vsi = NULL; + struct i40e_vsi *vsi, *vsi_it; struct i40e_pf *pf; int i, n = 0; pf = veb->pf; /* find the remaining VSI and check for extras */ - for (i = 0; i < pf->num_alloc_vsi; i++) { - if (pf->vsi[i] && pf->vsi[i]->uplink_seid == veb->seid) { + i40e_pf_for_each_vsi(pf, i, vsi_it) + if (vsi_it->uplink_seid == veb->seid) { + vsi = vsi_it; n++; - vsi = pf->vsi[i]; } - } + if (n != 1) { dev_info(&pf->pdev->dev, "can't remove VEB %d with %d VSIs left\n", @@ -14865,6 +14834,7 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u8 enabled_tc) { struct i40e_veb *veb, *uplink_veb = NULL; + struct i40e_vsi *vsi; int vsi_idx, veb_idx; int ret; @@ -14878,9 +14848,10 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, } /* make sure there is such a vsi and uplink */ - for (vsi_idx = 0; vsi_idx < pf->num_alloc_vsi; vsi_idx++) - if (pf->vsi[vsi_idx] && pf->vsi[vsi_idx]->seid == vsi_seid) + i40e_pf_for_each_vsi(pf, vsi_idx, vsi) + if (vsi->seid == vsi_seid) break; + if (vsi_idx == pf->num_alloc_vsi && vsi_seid != 0) { dev_info(&pf->pdev->dev, "vsi seid %d not found\n", vsi_seid); @@ -14888,10 +14859,9 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, } if (uplink_seid && uplink_seid != pf->mac_seid) { - for (veb_idx = 0; veb_idx < I40E_MAX_VEB; veb_idx++) { - if (pf->veb[veb_idx] && - pf->veb[veb_idx]->seid == uplink_seid) { - uplink_veb = pf->veb[veb_idx]; + i40e_pf_for_each_veb(pf, veb_idx, veb) { + if (veb->seid == uplink_seid) { + uplink_veb = veb; break; } } @@ -14913,7 +14883,7 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, veb->enabled_tc = (enabled_tc ? enabled_tc : 0x1); /* create the VEB in the switch */ - ret = i40e_add_veb(veb, pf->vsi[vsi_idx]); + ret = i40e_add_veb(veb, vsi); if (ret) goto err_veb; if (vsi_idx == pf->lan_vsi) @@ -14944,6 +14914,7 @@ static void i40e_setup_pf_switch_element(struct i40e_pf *pf, u16 uplink_seid = le16_to_cpu(ele->uplink_seid); u8 element_type = ele->element_type; u16 seid = le16_to_cpu(ele->seid); + struct i40e_veb *veb; if (printconfig) dev_info(&pf->pdev->dev, @@ -14962,12 +14933,12 @@ static void i40e_setup_pf_switch_element(struct i40e_pf *pf, int v; /* find existing or else empty VEB */ - for (v = 0; v < I40E_MAX_VEB; v++) { - if (pf->veb[v] && (pf->veb[v]->seid == seid)) { + i40e_pf_for_each_veb(pf, v, veb) + if (veb->seid == seid) { pf->lan_veb = v; break; } - } + if (pf->lan_veb >= I40E_MAX_VEB) { v = i40e_veb_mem_alloc(pf); if (v < 0) @@ -16253,6 +16224,8 @@ static void i40e_remove(struct pci_dev *pdev) { struct i40e_pf *pf = pci_get_drvdata(pdev); struct i40e_hw *hw = &pf->hw; + struct i40e_vsi *vsi; + struct i40e_veb *veb; int ret_code; int i; @@ -16310,24 +16283,19 @@ static void i40e_remove(struct pci_dev *pdev) /* If there is a switch structure or any orphans, remove them. * This will leave only the PF's VSI remaining. */ - for (i = 0; i < I40E_MAX_VEB; i++) { - if (!pf->veb[i]) - continue; - - if (pf->veb[i]->uplink_seid == pf->mac_seid || - pf->veb[i]->uplink_seid == 0) - i40e_switch_branch_release(pf->veb[i]); - } + i40e_pf_for_each_veb(pf, i, veb) + if (veb->uplink_seid == pf->mac_seid || + veb->uplink_seid == 0) + i40e_switch_branch_release(veb); /* Now we can shutdown the PF's VSIs, just before we kill * adminq and hmc. */ - for (i = pf->num_alloc_vsi; i--;) - if (pf->vsi[i]) { - i40e_vsi_close(pf->vsi[i]); - i40e_vsi_release(pf->vsi[i]); - pf->vsi[i] = NULL; - } + i40e_pf_for_each_vsi(pf, i, vsi) { + i40e_vsi_close(vsi); + i40e_vsi_release(vsi); + pf->vsi[i] = NULL; + } i40e_cloud_filter_exit(pf); @@ -16364,18 +16332,17 @@ static void i40e_remove(struct pci_dev *pdev) /* Clear all dynamic memory lists of rings, q_vectors, and VSIs */ rtnl_lock(); i40e_clear_interrupt_scheme(pf); - for (i = 0; i < pf->num_alloc_vsi; i++) { - if (pf->vsi[i]) { - if (!test_bit(__I40E_RECOVERY_MODE, pf->state)) - i40e_vsi_clear_rings(pf->vsi[i]); - i40e_vsi_clear(pf->vsi[i]); - pf->vsi[i] = NULL; - } + i40e_pf_for_each_vsi(pf, i, vsi) { + if (!test_bit(__I40E_RECOVERY_MODE, pf->state)) + i40e_vsi_clear_rings(vsi); + + i40e_vsi_clear(vsi); + pf->vsi[i] = NULL; } rtnl_unlock(); - for (i = 0; i < I40E_MAX_VEB; i++) { - kfree(pf->veb[i]); + i40e_pf_for_each_veb(pf, i, veb) { + kfree(veb); pf->veb[i] = NULL; } -- 2.41.0