diff options
| author | Alexander Lobakin <aleksander.lobakin@intel.com> | 2025-06-12 18:02:30 +0200 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2025-06-16 11:40:15 -0700 |
| commit | b3ad8450b4dc46c4ab0641f665068fd2a4d1adba (patch) | |
| tree | c247dea466dc50ae76b41b13837d43028307336a /drivers/net/ethernet/intel/libeth/xdp.c | |
| parent | 576cc5c13d9ba53a1a24d9b34af2f939a87b7ce8 (diff) | |
libeth: xsk: add XSk XDP_TX sending helpers
Add Xsk counterparts for XDP_TX buffer sending and completion.
The same base structures and functions used from the libeth_xdp core,
with adjustments to that XSk Rx always operates on &xdp_buff_xsk for
both head and frags. And unlike regular Rx, here unlikely() are used
for frags, as the header split gives no benefits for XSk Rx, at
least for now.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/libeth/xdp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/libeth/xdp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/libeth/xdp.c b/drivers/net/ethernet/intel/libeth/xdp.c index 4eb0f3c6cdab..bd334d314a1d 100644 --- a/drivers/net/ethernet/intel/libeth/xdp.c +++ b/drivers/net/ethernet/intel/libeth/xdp.c @@ -114,7 +114,7 @@ static void __cold libeth_trace_xdp_exception(const struct net_device *dev, * libeth_xdp_tx_exception - handle Tx exceptions of XDP frames * @bq: XDP Tx frame bulk * @sent: number of frames sent successfully (from this bulk) - * @flags: internal libeth_xdp flags (.ndo_xdp_xmit etc.) + * @flags: internal libeth_xdp flags (XSk, .ndo_xdp_xmit etc.) * * Cold helper used by __libeth_xdp_tx_flush_bulk(), do not call directly. * Reports XDP Tx exceptions, frees the frames that won't be sent or adjust @@ -136,7 +136,9 @@ void __cold libeth_xdp_tx_exception(struct libeth_xdp_tx_bulk *bq, u32 sent, return; } - if (!(flags & LIBETH_XDP_TX_NDO)) + if (flags & LIBETH_XDP_TX_XSK) + libeth_xsk_tx_return_bulk(pos, left); + else if (!(flags & LIBETH_XDP_TX_NDO)) libeth_xdp_tx_return_bulk(pos, left); else libeth_xdp_xmit_return_bulk(pos, left, bq->dev); @@ -413,6 +415,7 @@ EXPORT_SYMBOL_GPL(libeth_xdp_set_redirect); static const struct libeth_xdp_ops xdp_ops __initconst = { .bulk = libeth_xdp_return_buff_bulk, + .xsk = libeth_xsk_buff_free_slow, }; static int __init libeth_xdp_module_init(void) |