From 9bab1d2667aec4942ae1d384671e5148960bd88f Mon Sep 17 00:00:00 2001
From: Ciara Loftus <ciara.loftus@intel.com>
Date: Tue, 14 May 2024 08:41:52 +0000
Subject: [PATCH] net/af_xdp: fix port ID in Rx mbuf

[ upstream commit 9bab1d2667aec4942ae1d384671e5148960bd88f ]

Record the port id in the af_xdp rx queue structure and use it
to set the port id of the mbuf of a received packed.

Bugzilla ID: 1428
Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")
Cc: stable@dpdk.org

Reported-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Acked-by: Maryam Tahhan <mtahhan@redhat.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 2d6f64337e..0997543ee5 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -133,6 +133,7 @@ struct pkt_rx_queue {
 	struct xsk_umem_info *umem;
 	struct xsk_socket *xsk;
 	struct rte_mempool *mb_pool;
+	uint16_t port;
 
 	struct rx_stats stats;
 
@@ -368,6 +369,7 @@ af_xdp_rx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 		bufs[i]->data_off = offset - sizeof(struct rte_mbuf) -
 			rte_pktmbuf_priv_size(umem->mb_pool) -
 			umem->mb_pool->header_size;
+		bufs[i]->port = rxq->port;
 
 		rte_pktmbuf_pkt_len(bufs[i]) = len;
 		rte_pktmbuf_data_len(bufs[i]) = len;
@@ -434,6 +436,7 @@ af_xdp_rx_cp(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 		rte_pktmbuf_data_len(mbufs[i]) = len;
 		rx_bytes += len;
 		bufs[i] = mbufs[i];
+		bufs[i]->port = rxq->port;
 	}
 
 	xsk_ring_cons__release(rx, nb_pkts);
@@ -1813,6 +1816,8 @@ eth_rx_queue_setup(struct rte_eth_dev *dev,
 
 	process_private->rxq_xsk_fds[rx_queue_id] = rxq->fds[0].fd;
 
+	rxq->port = dev->data->port_id;
+
 	dev->data->rx_queues[rx_queue_id] = rxq;
 	return 0;
 
-- 
2.33.0

