diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2022-03-21 11:42:04 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-03-21 13:21:16 +0000 |
| commit | 07cd69c96bff4edf5edcd17b5a821f63343bf9cc (patch) | |
| tree | d415d1901b9227173a86dde1de1399f5535dcce3 /drivers/net/ethernet/netronome/nfp/nfp_net.h | |
| parent | nfp: prepare for multi-part descriptors (diff) | |
| download | wireguard-linux-07cd69c96bff4edf5edcd17b5a821f63343bf9cc.tar.xz wireguard-linux-07cd69c96bff4edf5edcd17b5a821f63343bf9cc.zip | |
nfp: move tx_ring->qcidx into cold data
QCidx is not used on fast path, move it to the lower cacheline.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Fei Qin <fei.qin@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index d4b82c893c2a..4e288b8f3510 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -125,7 +125,6 @@ struct nfp_nfd3_tx_buf; * struct nfp_net_tx_ring - TX ring structure * @r_vec: Back pointer to ring vector structure * @idx: Ring index from Linux's perspective - * @qcidx: Queue Controller Peripheral (QCP) queue index for the TX queue * @qcp_q: Pointer to base of the QCP TX queue * @cnt: Size of the queue in number of descriptors * @wr_p: TX ring write pointer (free running) @@ -135,6 +134,8 @@ struct nfp_nfd3_tx_buf; * (used for .xmit_more delayed kick) * @txbufs: Array of transmitted TX buffers, to free on transmit * @txds: Virtual address of TX ring in host memory + * + * @qcidx: Queue Controller Peripheral (QCP) queue index for the TX queue * @dma: DMA address of the TX ring * @size: Size, in bytes, of the TX ring (needed to free) * @is_xdp: Is this a XDP TX ring? @@ -143,7 +144,6 @@ struct nfp_net_tx_ring { struct nfp_net_r_vector *r_vec; u32 idx; - int qcidx; u8 __iomem *qcp_q; u32 cnt; @@ -156,6 +156,9 @@ struct nfp_net_tx_ring { struct nfp_nfd3_tx_buf *txbufs; struct nfp_nfd3_tx_desc *txds; + /* Cold data follows */ + int qcidx; + dma_addr_t dma; size_t size; bool is_xdp; |