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authorTirthendu Sarkar <tirthendu.sarkar@intel.com>2023-03-10 00:26:12 +0530
committerTony Nguyen <anthony.l.nguyen@intel.com>2023-03-09 13:11:14 -0800
commit2bc0de9aca3ebdf24674f5a2a7890fde6304f5ca (patch)
tree3aa67afa9faa60956c9bed9e15b8552257e2bc63
parent03e88c8a791c0655ddea07fd4c7cd6cb16087c8f (diff)
downloadlinux-2bc0de9aca3ebdf24674f5a2a7890fde6304f5ca.tar.gz
i40e: use frame_sz instead of recalculating truesize for building skb
In skb path truesize is calculated while building skb. This is now avoided and xdp->frame_is used instead for both i40e_build_skb() and i40e_construct_skb(). Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@intel.com> Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> (A Contingent Worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index fa44a2c353b2..e34595ca4fbe 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2113,11 +2113,6 @@ static struct sk_buff *i40e_construct_skb(struct i40e_ring *rx_ring,
struct xdp_buff *xdp)
{
unsigned int size = xdp->data_end - xdp->data;
-#if (PAGE_SIZE < 8192)
- unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2;
-#else
- unsigned int truesize = SKB_DATA_ALIGN(size);
-#endif
unsigned int headlen;
struct sk_buff *skb;
@@ -2162,10 +2157,10 @@ static struct sk_buff *i40e_construct_skb(struct i40e_ring *rx_ring,
if (size) {
skb_add_rx_frag(skb, 0, rx_buffer->page,
rx_buffer->page_offset + headlen,
- size, truesize);
+ size, xdp->frame_sz);
/* buffer is used by skb, update page_offset */
- i40e_rx_buffer_flip(rx_buffer, truesize);
+ i40e_rx_buffer_flip(rx_buffer, xdp->frame_sz);
} else {
/* buffer is unused, reset bias back to rx_buffer */
rx_buffer->pagecnt_bias++;
@@ -2188,13 +2183,6 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
struct xdp_buff *xdp)
{
unsigned int metasize = xdp->data - xdp->data_meta;
-#if (PAGE_SIZE < 8192)
- unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2;
-#else
- unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +
- SKB_DATA_ALIGN(xdp->data_end -
- xdp->data_hard_start);
-#endif
struct sk_buff *skb;
/* Prefetch first cache line of first page. If xdp->data_meta
@@ -2205,7 +2193,7 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
net_prefetch(xdp->data_meta);
/* build an skb around the page buffer */
- skb = napi_build_skb(xdp->data_hard_start, truesize);
+ skb = napi_build_skb(xdp->data_hard_start, xdp->frame_sz);
if (unlikely(!skb))
return NULL;
@@ -2216,7 +2204,7 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
skb_metadata_set(skb, metasize);
/* buffer is used by skb, update page_offset */
- i40e_rx_buffer_flip(rx_buffer, truesize);
+ i40e_rx_buffer_flip(rx_buffer, xdp->frame_sz);
return skb;
}