diff mbox series

[net-next,v6,2/8] octeontx2-pf: Move skb fragment map/unmap to common code

Message ID 20240819122348.490445-3-bbhushan2@marvell.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series cn10k-ipsec: Add outbound inline ipsec support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 16 this patch: 16
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 28 this patch: 28
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 80 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-08-20--09-00 (tests: 712)

Commit Message

Bharat Bhushan Aug. 19, 2024, 12:23 p.m. UTC 
Move skb fragment map/unmap function to common file
so as to re-use same for outbound IPsec crypto offload

Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
---
 .../marvell/octeontx2/nic/otx2_common.c       | 32 +++++++++++++++++++
 .../marvell/octeontx2/nic/otx2_common.h       |  3 ++
 .../marvell/octeontx2/nic/otx2_txrx.c         | 32 -------------------
 3 files changed, 35 insertions(+), 32 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 87d5776e3b88..325b1fc5b4f4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -1911,3 +1911,35 @@  EXPORT_SYMBOL(otx2_mbox_up_handler_ ## _fn_name);
 MBOX_UP_CGX_MESSAGES
 MBOX_UP_MCS_MESSAGES
 #undef M
+
+dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf,
+				 struct sk_buff *skb, int seg, int *len)
+{
+	const skb_frag_t *frag;
+	struct page *page;
+	int offset;
+
+	/* First segment is always skb->data */
+	if (!seg) {
+		page = virt_to_page(skb->data);
+		offset = offset_in_page(skb->data);
+		*len = skb_headlen(skb);
+	} else {
+		frag = &skb_shinfo(skb)->frags[seg - 1];
+		page = skb_frag_page(frag);
+		offset = skb_frag_off(frag);
+		*len = skb_frag_size(frag);
+	}
+	return otx2_dma_map_page(pfvf, page, offset, *len, DMA_BIDIRECTIONAL);
+}
+
+void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg)
+{
+	int seg;
+
+	for (seg = 0; seg < sg->num_segs; seg++) {
+		otx2_dma_unmap_page(pfvf, sg->dma_addr[seg],
+				    sg->size[seg], DMA_BIDIRECTIONAL);
+	}
+	sg->num_segs = 0;
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index f27a3456ae64..a791a046f1c9 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -1127,4 +1127,7 @@  u16 otx2_select_queue(struct net_device *netdev, struct sk_buff *skb,
 int otx2_get_txq_by_classid(struct otx2_nic *pfvf, u16 classid);
 void otx2_qos_config_txschq(struct otx2_nic *pfvf);
 void otx2_clean_qos_queues(struct otx2_nic *pfvf);
+dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf,
+				 struct sk_buff *skb, int seg, int *len);
+void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg);
 #endif /* OTX2_COMMON_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index ce1a7db745c5..f76c95027871 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -80,38 +80,6 @@  static unsigned int frag_num(unsigned int i)
 #endif
 }
 
-static dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf,
-					struct sk_buff *skb, int seg, int *len)
-{
-	const skb_frag_t *frag;
-	struct page *page;
-	int offset;
-
-	/* First segment is always skb->data */
-	if (!seg) {
-		page = virt_to_page(skb->data);
-		offset = offset_in_page(skb->data);
-		*len = skb_headlen(skb);
-	} else {
-		frag = &skb_shinfo(skb)->frags[seg - 1];
-		page = skb_frag_page(frag);
-		offset = skb_frag_off(frag);
-		*len = skb_frag_size(frag);
-	}
-	return otx2_dma_map_page(pfvf, page, offset, *len, DMA_BIDIRECTIONAL);
-}
-
-static void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg)
-{
-	int seg;
-
-	for (seg = 0; seg < sg->num_segs; seg++) {
-		otx2_dma_unmap_page(pfvf, sg->dma_addr[seg],
-				    sg->size[seg], DMA_BIDIRECTIONAL);
-	}
-	sg->num_segs = 0;
-}
-
 static void otx2_xdp_snd_pkt_handler(struct otx2_nic *pfvf,
 				     struct otx2_snd_queue *sq,
 				 struct nix_cqe_tx_s *cqe)