Re: [dpdk-dev] [PATCH] net/ice/base: fix bm mask set and find switch recipe method

["Fu, Qi" <qi.fu@intel.com>]

Tested-by: Fu, Qi <qi.fu@intel.com>

> -----Original Message-----
> From: Zhao1, Wei <wei.zhao1@intel.com>
> Sent: Tuesday, April 28, 2020 2:50 PM
> To: dev@dpdk.org
> Cc: Zhang, Qi Z <qi.z.zhang@intel.com>; Fu, Qi <qi.fu@intel.com>
> Subject: RE: [PATCH] net/ice/base: fix bm mask set and find switch recipe
> method
> 
> Add fuqi
> 
> > -----Original Message-----
> > From: Zhao1, Wei <wei.zhao1@intel.com>
> > Sent: Tuesday, April 28, 2020 2:22 PM
> > To: dev@dpdk.org
> > Cc: Zhang, Qi Z <qi.z.zhang@intel.com>; Zhao1, Wei
> > <wei.zhao1@intel.com>
> > Subject: [PATCH] net/ice/base: fix bm mask set and find switch recipe
> > method
> >
> > When we download a switch rule for ipv6 with esp payload "eth / ipv6 /
> > esp spi is 1 / end actions queue index 2 / end"
> >
> > if we don't add bm bit set check for tun_type, then a packet of
> > ipv4 with esp payload
> >
> > "sendp([Ether(dst="00:00:00:00:01:00")/IP(proto=50)/ESP(spi=1)/
> > ("X"*480)], iface="ens5f0", count=10)"
> >
> > will also go to queue index 2. And also, we need to do tun_type check,
> > or the second rule of following can not be download because of
> > rejection from switch rule download function ice_aq_sw_rules().
> >
> > "eth / ipv4 / esp spi is 1 / end actions queue index 5 / end"
> >
> > "eth / ipv6 / esp spi is 1 / end actions queue index 2 / end"
> >
> > Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
> > ---
> >  drivers/net/ice/base/ice_switch.c | 15 ++++++++++-----
> > drivers/net/ice/base/ice_switch.h |  2 ++
> >  2 files changed, 12 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/net/ice/base/ice_switch.c
> > b/drivers/net/ice/base/ice_switch.c
> > index e64b03136..7d5d57938 100644
> > --- a/drivers/net/ice/base/ice_switch.c
> > +++ b/drivers/net/ice/base/ice_switch.c
> > @@ -5278,11 +5278,8 @@ static u16 ice_find_recp(struct ice_hw *hw,
> > struct ice_prot_lkup_ext *lkup_exts,
> >  			/* If for "i"th recipe the found was never set to false
> >  			 * then it means we found our match
> >  			 */
> > -			if (ice_is_prof_rule(tun_type) &&
> > -			    tun_type == recp[i].tun_type && found)
> > -				return i; /* Return the recipe ID */
> > -			else if (!ice_is_prof_rule(tun_type) && found)
> > -				return i; /* Return the recipe ID */
> > +			if (tun_type == recp[i].tun_type && found)
> > +				return i;
> >  		}
> >  	}
> >  	return ICE_MAX_NUM_RECIPES;
> > @@ -5998,9 +5995,11 @@ ice_get_compat_fv_bitmap(struct ice_hw *hw,
> > struct ice_adv_rule_info *rinfo,
> >  		prof_type = ICE_PROF_TUN_PPPOE;
> >  		break;
> >  	case ICE_SW_TUN_PROFID_IPV6_ESP:
> > +	case ICE_SW_TUN_IPV6_ESP:
> >  		ice_set_bit(ICE_PROFID_IPV6_ESP, bm);
> >  		return;
> >  	case ICE_SW_TUN_PROFID_IPV6_AH:
> > +	case ICE_SW_TUN_IPV6_AH:
> >  		ice_set_bit(ICE_PROFID_IPV6_AH, bm);
> >  		return;
> >  	case ICE_SW_TUN_PROFID_MAC_IPV6_L2TPV3:
> > @@ -6029,6 +6028,12 @@ ice_get_compat_fv_bitmap(struct ice_hw *hw,
> > struct ice_adv_rule_info *rinfo,
> >  	case ICE_SW_TUN_IPV4_L2TPV3:
> >  		ice_set_bit(ICE_PROFID_MAC_IPV4_L2TPV3, bm);
> >  		return;
> > +	case ICE_SW_TUN_IPV4_ESP:
> > +		ice_set_bit(ICE_PROFID_IPV4_ESP, bm);
> > +		return;
> > +	case ICE_SW_TUN_IPV4_AH:
> > +		ice_set_bit(ICE_PROFID_IPV4_AH, bm);
> > +		return;
> >  	case ICE_SW_TUN_AND_NON_TUN:
> >  	default:
> >  		prof_type = ICE_PROF_ALL;
> > diff --git a/drivers/net/ice/base/ice_switch.h
> > b/drivers/net/ice/base/ice_switch.h
> > index 09dc1f236..6bb742d2f 100644
> > --- a/drivers/net/ice/base/ice_switch.h
> > +++ b/drivers/net/ice/base/ice_switch.h
> > @@ -16,7 +16,9 @@
> >  #define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX)
> >
> >  /* Switch Profile IDs for Profile related switch rules */
> > +#define ICE_PROFID_IPV4_ESP		71
> >  #define ICE_PROFID_IPV6_ESP		72
> > +#define ICE_PROFID_IPV4_AH		73
> >  #define ICE_PROFID_IPV6_AH		74
> >  #define ICE_PROFID_IPV4_NAT_T		75
> >  #define ICE_PROFID_IPV6_NAT_T		76
> > --
> > 2.19.1