admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

gve: Wrap struct xdp_buff

Browse Source 
RX timestamping will need to keep track of extra temporary information
per-packet. In preparation for this, introduce gve_xdp_buff to wrap the
xdp_buff. This is similar in function to stmmac_xdp_buff and
ice_xdp_buff.

Signed-off-by: Tim Hostetler <thostet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Signed-off-by: Joshua Washington <joshwash@google.com>
Link: https://patch.msgid.link/20251114211146.292068-3-joshwash@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Tim Hostetler
2025-11-14 13:11:44 -08:00
committed by Paolo Abeni
parent 46e7860ef9
commit f356a66b87
2 changed files with 13 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/google/gve/gve.h
View File

@@ -205,6 +205,11 @@ struct gve_rx_buf_state_dqo {
s16 next;
};
/* Wrapper for XDP Rx metadata */
struct gve_xdp_buff {
struct xdp_buff xdp;
};
/* `head` and `tail` are indices into an array, or -1 if empty. */
struct gve_index_list {
s16 head;

16
drivers/net/ethernet/google/gve/gve_rx_dqo.c
View File

@@ -840,23 +840,23 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx,
}
if (xprog) {
struct xdp_buff xdp;
struct gve_xdp_buff gve_xdp;
void *old_data;
int xdp_act;
xdp_init_buff(&xdp, buf_state->page_info.buf_size,
xdp_init_buff(&gve_xdp.xdp, buf_state->page_info.buf_size,
&rx->xdp_rxq);
xdp_prepare_buff(&xdp,
xdp_prepare_buff(&gve_xdp.xdp,
buf_state->page_info.page_address +
buf_state->page_info.page_offset,
buf_state->page_info.pad,
buf_len, false);
old_data = xdp.data;
xdp_act = bpf_prog_run_xdp(xprog, &xdp);
buf_state->page_info.pad += xdp.data - old_data;
buf_len = xdp.data_end - xdp.data;
old_data = gve_xdp.xdp.data;
xdp_act = bpf_prog_run_xdp(xprog, &gve_xdp.xdp);
buf_state->page_info.pad += gve_xdp.xdp.data - old_data;
buf_len = gve_xdp.xdp.data_end - gve_xdp.xdp.data;
if (xdp_act != XDP_PASS) {
gve_xdp_done_dqo(priv, rx, &xdp, xprog, xdp_act,
gve_xdp_done_dqo(priv, rx, &gve_xdp.xdp, xprog, xdp_act,
buf_state);
return 0;
}