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a=zPCbziy225d3KhSqZt3L1A==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=EIcjfB9IiI4px24ztqRk:22 a=bC-a23v3AAAA:8 a=QyXUC8HyAAAA:8 a=VwQbUJbxAAAA:8 a=LhkT__Z0w94Iq4tgARQA:9 a=QEXdDO2ut3YA:10 a=FO4_E8m0qiDe52t0p3_H:22 a=5yU3S35YU4bGjq-dph-N:22 a=Bho9c0fBagfJEIQBS7DQ:22 cc=ntf awl=host:12302 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDE2NSBTYWx0ZWRfX4fPWibb8ipj2 m5JyoUxh2bW5WHQBCECO0f9VNQnvuvlcC76fDeN2+U7v5PpfAtxxp0G6x/bZ30D4LwI0e+VW1SC SXMdKy3qTYFgkttoxa8qyvOeMufcmWWlIHO4UN75UMldvk53baUQACmmp8FnMmIVTgYZSTCLWIk /Yw6lk1cYPmGK0B+uicSW1awEPq0ZVVjq4rlHnRkJx3mWFgNtrgaJL4aGD8fJryepZlY9Cn1bUX J4Q71ucvafvLZoyX4Kk24oZTgb4oKbrgzv4+LCgnb5CtrmyyVQTFeoZDx49pMEO4MXLeYssYAuq IJ/npf3W6Nvg+7NOu8im7YHeR46lHqLFozHoXjIvBirixjGJ49ueK/df84JLYiQrCfGwl3giMt2 x9h/+zcL+yGaAkDxP5YkxqcLleTuoM4tuMf8tuBIrwPV7kF+8xhgiIAD88mfEXm6RXCSoR5Zir4 vkfvntHQuKemj+4chwSiP6goSGMwwpaqOwE2MfX0= X-Proofpoint-GUID: To6lFsE1xKGtyUndLSw_X4dJJMct3FeN Hi Greg/Sasha, On 29/05/26 01:19, Greg Kroah-Hartman wrote: > 6.12-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Marcin Szycik > > [ Upstream commit b3cda96feb60d91fe88d52b974ff110dcfa91239 ] > > ice_set_rss_hfunc() performs a VSI update, in which it sets hashing > function, leaving other VSI options unchanged. However, ::q_opt_flags is > mistakenly set to the value of another field, instead of its original > value, probably due to a typo. What happens next is hardware-dependent: > > On E810, only the first bit is meaningful (see > ICE_AQ_VSI_Q_OPT_PE_FLTR_EN) and can potentially end up in a different > state than before VSI update. > > On E830, some of the remaining bits are not reserved. Setting them > to some unrelated values can cause the firmware to reject the update > because of invalid settings, or worse - succeed. > > Reproducer: > sudo ethtool -X $PF1 equal 8 > > Output in dmesg: > Failed to configure RSS hash for VSI 6, error -5 > > Fixes: 352e9bf23813 ("ice: enable symmetric-xor RSS for Toeplitz hash function") > Reviewed-by: Aleksandr Loktionov > Reviewed-by: Przemek Kitszel > Signed-off-by: Marcin Szycik > Signed-off-by: Jacob Keller > Link: https://patch.msgid.link/20260506-jk-iwl-net-2026-05-04-v2-5-a5ea4dc837a9@intel.com > Signed-off-by: Jakub Kicinski > Signed-off-by: Sasha Levin > --- > drivers/net/ethernet/intel/ice/ice_main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c > index 2a629b9a9e03a..664bedfbd8054 100644 > --- a/drivers/net/ethernet/intel/ice/ice_main.c > +++ b/drivers/net/ethernet/intel/ice/ice_main.c > @@ -8108,7 +8108,7 @@ int ice_set_rss_hfunc(struct ice_vsi *vsi, u8 hfunc) > ctx->info.q_opt_rss |= > FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_HASH_M, hfunc); > ctx->info.q_opt_tc = vsi->info.q_opt_tc; > - ctx->info.q_opt_flags = vsi->info.q_opt_rss; > + ctx->info.q_opt_flags = vsi->info.q_opt_flags; > I ran an AI-assisted backport review and checked this against the 6.12.y ice driver. I think the E830 RSS fix is incomplete on this branch. The backport fixed the PF path in ice_main.c, so 6.12.y now has: ctx->info.q_opt_flags = vsi->info.q_opt_flags; But 6.12.y still has the older VF virtchnl RSS path in ice_virtchnl.c, and that path still does: ctx->info.q_opt_flags = vsi->info.q_opt_rss; Upstream has newer VF helper in virt/rss.c preserves q_opt_flags as well, but that helper/refactor is not present in this 6.12.y tree. See commit: 3a6d87e2eaac ("ice: implement GTP RSS context tracking and configuration") which is not yet in 6.12.y I think 6.12.y needs the equivalent one-line fix in drivers/net/ethernet/intel/ice/ice_virtchnl.c, changing q_opt_flags to preserve vsi->info.q_opt_flags there too. Thoughts? Maybe lets drop this and backport it again ? thanks, Harshit > err = ice_update_vsi(hw, vsi->idx, ctx, NULL); > if (err) {