iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bnxt: set xdp_buff pfmemalloc flag if needed

Browse Source 
Set the pfmemaloc flag in the xdp buff so that this can be
copied to the skb if needed for an XDP_PASS action.

Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Gospodarek 2022-04-08 03:59:01 -04:00 committed by David S. Miller
parent 4c6c123c9a
commit 31b9998bf2
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -1041,7 +1041,8 @@ static struct sk_buff *bnxt_rx_skb(struct bnxt *bp,
static u32 __bnxt_rx_agg_pages(struct bnxt *bp,
struct bnxt_cp_ring_info *cpr,
struct skb_shared_info *shinfo,
u16 idx, u32 agg_bufs, bool tpa)
u16 idx, u32 agg_bufs, bool tpa,
struct xdp_buff *xdp)
{
struct bnxt_napi *bnapi = cpr->bnapi;
struct pci_dev *pdev = bp->pdev;
@ -1084,6 +1085,9 @@ static u32 __bnxt_rx_agg_pages(struct bnxt *bp,
page = cons_rx_buf->page;
cons_rx_buf->page = NULL;
if (xdp && page_is_pfmemalloc(page))
xdp_buff_set_frag_pfmemalloc(xdp);
if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_ATOMIC) != 0) {
unsigned int nr_frags;
@ -1118,8 +1122,8 @@ static struct sk_buff *bnxt_rx_agg_pages_skb(struct bnxt *bp,
struct skb_shared_info *shinfo = skb_shinfo(skb);
u32 total_frag_len = 0;
total_frag_len = __bnxt_rx_agg_pages(bp, cpr, shinfo, idx, agg_bufs, tpa);
total_frag_len = __bnxt_rx_agg_pages(bp, cpr, shinfo, idx,
agg_bufs, tpa, NULL);
if (!total_frag_len) {
dev_kfree_skb(skb);
return NULL;
@ -1142,8 +1146,8 @@ static u32 bnxt_rx_agg_pages_xdp(struct bnxt *bp,
if (!xdp_buff_has_frags(xdp))
shinfo->nr_frags = 0;
total_frag_len = __bnxt_rx_agg_pages(bp, cpr, shinfo, idx, agg_bufs, tpa);
total_frag_len = __bnxt_rx_agg_pages(bp, cpr, shinfo,
idx, agg_bufs, tpa, xdp);
if (total_frag_len) {
xdp_buff_set_frags_flag(xdp);
shinfo->nr_frags = agg_bufs;