diff mbox series

[net-next,v5,1/8] octeontx2-pf: map skb data as device writeable

Message ID 20240613071955.2280099-2-bbhushan2@marvell.com (mailing list archive)
State Deferred
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: 8 this patch: 8
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: 854 this patch: 854
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: 857 this patch: 857
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 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

Commit Message

Bharat Bhushan June 13, 2024, 7:19 a.m. UTC 
Crypto hardware need write permission when doing inline
in-place encrypt or decrypt operation on skb-data. So map
this memory as device read-write.

Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
---
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index a16e9f244117..847052b57d9b 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -98,7 +98,7 @@  static dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf,
 		offset = skb_frag_off(frag);
 		*len = skb_frag_size(frag);
 	}
-	return otx2_dma_map_page(pfvf, page, offset, *len, DMA_TO_DEVICE);
+	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)
@@ -107,7 +107,7 @@  static void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg)
 
 	for (seg = 0; seg < sg->num_segs; seg++) {
 		otx2_dma_unmap_page(pfvf, sg->dma_addr[seg],
-				    sg->size[seg], DMA_TO_DEVICE);
+				    sg->size[seg], DMA_BIDIRECTIONAL);
 	}
 	sg->num_segs = 0;
 }