diff options
Diffstat (limited to 'include/net/xsk_buff_pool.h')
-rw-r--r-- | include/net/xsk_buff_pool.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h index af8b6f776f86..468a23b1b4c5 100644 --- a/include/net/xsk_buff_pool.h +++ b/include/net/xsk_buff_pool.h @@ -28,7 +28,6 @@ struct xdp_buff_xsk { dma_addr_t dma; dma_addr_t frame_dma; struct xsk_buff_pool *pool; - u64 orig_addr; struct list_head list_node; }; @@ -119,7 +118,6 @@ void xp_free(struct xdp_buff_xsk *xskb); static inline void xp_init_xskb_addr(struct xdp_buff_xsk *xskb, struct xsk_buff_pool *pool, u64 addr) { - xskb->orig_addr = addr; xskb->xdp.data_hard_start = pool->addrs + addr + pool->headroom; } @@ -221,14 +219,19 @@ static inline void xp_release(struct xdp_buff_xsk *xskb) xskb->pool->free_heads[xskb->pool->free_heads_cnt++] = xskb; } -static inline u64 xp_get_handle(struct xdp_buff_xsk *xskb) +static inline u64 xp_get_handle(struct xdp_buff_xsk *xskb, + struct xsk_buff_pool *pool) { - u64 offset = xskb->xdp.data - xskb->xdp.data_hard_start; + u64 orig_addr = xskb->xdp.data - pool->addrs; + u64 offset; - offset += xskb->pool->headroom; - if (!xskb->pool->unaligned) - return xskb->orig_addr + offset; - return xskb->orig_addr + (offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT); + if (!pool->unaligned) + return orig_addr; + + offset = xskb->xdp.data - xskb->xdp.data_hard_start; + orig_addr -= offset; + offset += pool->headroom; + return orig_addr + (offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT); } static inline bool xp_tx_metadata_enabled(const struct xsk_buff_pool *pool) |