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| author |   Jesper Dangaard Brouer <brouer@redhat.com> | 2020-05-14 12:49:07 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-05-14 21:21:54 -0700 |
| commit | 63fe91ab3d1c5c0b4497b993b8eeaa54f6688d53 (patch) | |
| tree | 5c83a01696e65ccabcc69d6705ab08c0cae10c4d | |
| parent | xdp: Add frame size to xdp_buff (diff) | |
| download | wireguard-linux-63fe91ab3d1c5c0b4497b993b8eeaa54f6688d53.tar.xz wireguard-linux-63fe91ab3d1c5c0b4497b993b8eeaa54f6688d53.zip | |
bnxt: Add XDP frame size to driver
This driver uses full PAGE_SIZE pages when XDP is enabled.
In case of XDP uses driver uses __bnxt_alloc_rx_page which does full
page DMA-map. Thus, xdp_adjust_tail grow is DMA compliant for XDP_TX
action that does DMA-sync.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Andy Gospodarek <gospo@broadcom.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Link: https://lore.kernel.org/bpf/158945334769.97035.13437970179897613984.stgit@firesoul
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index c6f6f2033880..5e3b4a3b69ea 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -138,6 +138,7 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons, xdp_set_data_meta_invalid(&xdp); xdp.data_end = *data_ptr + *len; xdp.rxq = &rxr->xdp_rxq; + xdp.frame_sz = PAGE_SIZE; /* BNXT_RX_PAGE_MODE(bp) when XDP enabled */ orig_data = xdp.data; rcu_read_lock(); |