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Merge branch 'cxgb4-tc-flower-offload-fixes'

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Daniel Borkmann says:

====================
pull-request: bpf 2018-01-18

The following pull-request contains BPF updates for your *net* tree.

The main changes are:

1) Fix a divide by zero due to wrong if (src_reg == 0) check in
   64-bit mode. Properly handle this in interpreter and mask it
   also generically in verifier to guard against similar checks
   in JITs, from Eric and Alexei.

2) Fix a bug in arm64 JIT when tail calls are involved and progs
   have different stack sizes, from Daniel.

3) Reject stores into BPF context that are not expected BPF_STX |
   BPF_MEM variant, from Daniel.

4) Mark dst reg as unknown on {s,u}bounds adjustments when the
   src reg has derived bounds from dead branches, from Daniel.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2018-01-22 15:26:57 -05:00
parent e58edaa486 100d39af50
commit affee5e1fd
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
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@@ -111,6 +111,9 @@ static void cxgb4_process_flow_match(struct net_device *dev,
ethtype_mask = 0;
}
if (ethtype_key == ETH_P_IPV6)
fs->type = 1;
fs->val.ethtype = ethtype_key;
fs->mask.ethtype = ethtype_mask;
fs->val.proto = key->ip_proto;
@@ -205,8 +208,8 @@ static void cxgb4_process_flow_match(struct net_device *dev,
VLAN_PRIO_SHIFT);
vlan_tci_mask = mask->vlan_id | (mask->vlan_priority <<
VLAN_PRIO_SHIFT);
fs->val.ivlan = cpu_to_be16(vlan_tci);
fs->mask.ivlan = cpu_to_be16(vlan_tci_mask);
fs->val.ivlan = vlan_tci;
fs->mask.ivlan = vlan_tci_mask;
/* Chelsio adapters use ivlan_vld bit to match vlan packets
* as 802.1Q. Also, when vlan tag is present in packets,