From: Artem Glazychev <artem.glazychev@xored.com>
Date: Mon, 5 Jun 2023 08:02:46 +0000 (+0700)
Subject: af_xdp: remove the previous program before loading a new one
X-Git-Tag: v24.02-rc0~187
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=f50929d370aa0216417f51f457770acdc2324c6c;p=vpp.git

af_xdp: remove the previous program before loading a new one

Otherwise, we will get an error. The program could remain from the previous run.

Type: fix

Signed-off-by: Artem Glazychev <artem.glazychev@xored.com>
Change-Id: I68e4072bd3b327592013804d67ccab7eb0ed3a0e
---

diff --git a/src/plugins/af_xdp/device.c b/src/plugins/af_xdp/device.c
index 570f34cdc7e..da8b58c37e4 100644
--- a/src/plugins/af_xdp/device.c
+++ b/src/plugins/af_xdp/device.c
@@ -650,7 +650,8 @@ af_xdp_create_if (vlib_main_t * vm, af_xdp_create_if_args_t * args)
       goto err1;
     }
 
-  if (args->prog && af_xdp_load_program (args, ad))
+  if (args->prog &&
+      (af_xdp_remove_program (ad) || af_xdp_load_program (args, ad)))
     goto err2;
 
   q_num = clib_max (rxq_num, txq_num);