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From: Julien Panis <jpanis@baylibre.com>
Date: Fri, 01 Mar 2024 16:02:52 +0100
Subject: [PATCH v2 1/2] net: ethernet: ti: Add accessors for struct
 k3_cppi_desc_pool members
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Message-Id: <20240223-am65-cpsw-xdp-basic-v2-1-01c6caacabb6@baylibre.com>
References: <20240223-am65-cpsw-xdp-basic-v2-0-01c6caacabb6@baylibre.com>
In-Reply-To: <20240223-am65-cpsw-xdp-basic-v2-0-01c6caacabb6@baylibre.com>
To: "David S. Miller" <davem@davemloft.net>, 
 Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, 
 Paolo Abeni <pabeni@redhat.com>, Russell King <linux@armlinux.org.uk>, 
 Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, 
 Jesper Dangaard Brouer <hawk@kernel.org>, 
 John Fastabend <john.fastabend@gmail.com>, 
 Sumit Semwal <sumit.semwal@linaro.org>, 
 =?utf-8?q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>, 
 Simon Horman <horms@kernel.org>, Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, 
 bpf@vger.kernel.org, linux-media@vger.kernel.org, 
 dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, 
 Julien Panis <jpanis@baylibre.com>

This patch adds accessors for desc_size and cpumem members. They may be
necessary, for instance, to compute a page pool page index.

Signed-off-by: Julien Panis <jpanis@baylibre.com>
---
 drivers/net/ethernet/ti/k3-cppi-desc-pool.c | 12 ++++++++++++
 drivers/net/ethernet/ti/k3-cppi-desc-pool.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
index 05cc7aab1ec8..fe8203c05731 100644
--- a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
+++ b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
@@ -132,5 +132,17 @@ size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool)
 }
 EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_avail);
 
+size_t k3_cppi_desc_pool_desc_size(struct k3_cppi_desc_pool *pool)
+{
+	return pool->desc_size;
+}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_desc_size);
+
+void *k3_cppi_desc_pool_cpuaddr(struct k3_cppi_desc_pool *pool)
+{
+	return pool->cpumem;
+}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_cpuaddr);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("TI K3 CPPI5 descriptors pool API");
diff --git a/drivers/net/ethernet/ti/k3-cppi-desc-pool.h b/drivers/net/ethernet/ti/k3-cppi-desc-pool.h
index a7e3fa5e7b62..149d5579a5e2 100644
--- a/drivers/net/ethernet/ti/k3-cppi-desc-pool.h
+++ b/drivers/net/ethernet/ti/k3-cppi-desc-pool.h
@@ -26,5 +26,7 @@ k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma);
 void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool);
 void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr);
 size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool);
+size_t k3_cppi_desc_pool_desc_size(struct k3_cppi_desc_pool *pool);
+void *k3_cppi_desc_pool_cpuaddr(struct k3_cppi_desc_pool *pool);
 
 #endif /* K3_CPPI_DESC_POOL_H_ */

-- 
2.37.3