From: Maros Ondrejicka Date: Thu, 10 Nov 2022 13:11:40 +0000 (+0100) Subject: crypto-ipsecmb: fix plugin crash in VirtualBox X-Git-Tag: v23.06-rc0~124 X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F14%2F37614%2F3;p=vpp.git crypto-ipsecmb: fix plugin crash in VirtualBox Plugin checks just for AVX2 instruction set, while the v1.3 of IPsec Multi-Buffer library checks for both AVX2 and BMI2 sets during init. VirtualBox VM doesn't provide BMI2 by default to guest operating system. Result is that VPP plugin decides to use AVX2 initialization and library then doesn't do it. Since flush_job remains empty, the self-check fails and with that the whole VPP crashes on start-up. Type: fix Signed-off-by: Maros Ondrejicka Change-Id: I6b661f2b9bbe6dd03b499c55c38a9b814e6d718a --- diff --git a/src/plugins/crypto_ipsecmb/ipsecmb.c b/src/plugins/crypto_ipsecmb/ipsecmb.c index 3ceda1e3f9d..02e13456704 100644 --- a/src/plugins/crypto_ipsecmb/ipsecmb.c +++ b/src/plugins/crypto_ipsecmb/ipsecmb.c @@ -928,7 +928,7 @@ crypto_ipsecmb_init (vlib_main_t * vm) #endif if (clib_cpu_supports_avx512f ()) init_mb_mgr_avx512 (ptd->mgr); - else if (clib_cpu_supports_avx2 ()) + else if (clib_cpu_supports_avx2 () && clib_cpu_supports_bmi2 ()) init_mb_mgr_avx2 (ptd->mgr); else init_mb_mgr_sse (ptd->mgr); diff --git a/src/vppinfra/cpu.h b/src/vppinfra/cpu.h index 3c5e59e6e01..31049f5458c 100644 --- a/src/vppinfra/cpu.h +++ b/src/vppinfra/cpu.h @@ -123,6 +123,7 @@ _CLIB_MARCH_FN_REGISTRATION(fn) _ (avx, 1, ecx, 28) \ _ (rdrand, 1, ecx, 30) \ _ (avx2, 7, ebx, 5) \ + _ (bmi2, 7, ebx, 8) \ _ (rtm, 7, ebx, 11) \ _ (pqm, 7, ebx, 12) \ _ (pqe, 7, ebx, 15) \