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-rw-r--r--0003-iwlwifi-provide-gso_type-to-GSO-packets.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/0003-iwlwifi-provide-gso_type-to-GSO-packets.patch b/0003-iwlwifi-provide-gso_type-to-GSO-packets.patch
new file mode 100644
index 0000000..594302d
--- /dev/null
+++ b/0003-iwlwifi-provide-gso_type-to-GSO-packets.patch
@@ -0,0 +1,52 @@
+From 545d6504ef3c786b8294ca2129111227a7bb6515 Mon Sep 17 00:00:00 2001
+From: Eric Dumazet <edumazet@google.com>
+Date: Mon, 25 Jan 2021 07:09:49 -0800
+Subject: iwlwifi: provide gso_type to GSO packets
+
+commit 81a86e1bd8e7060ebba1718b284d54f1238e9bf9 upstream.
+
+net/core/tso.c got recent support for USO, and this broke iwlfifi
+because the driver implemented a limited form of GSO.
+
+Providing ->gso_type allows for skb_is_gso_tcp() to provide
+a correct result.
+
+Fixes: 3d5b459ba0e3 ("net: tso: add UDP segmentation support")
+Signed-off-by: Eric Dumazet <edumazet@google.com>
+Reported-by: Ben Greear <greearb@candelatech.com>
+Tested-by: Ben Greear <greearb@candelatech.com>
+Cc: Luca Coelho <luciano.coelho@intel.com>
+Cc: Johannes Berg <johannes@sipsolutions.net>
+Link: https://bugzilla.kernel.org/show_bug.cgi?id=209913
+Link: https://lore.kernel.org/r/20210125150949.619309-1-eric.dumazet@gmail.com
+Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+Cc: Robert Hancock <hancockrwd@gmail.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+index fe1c538cd718..7626117c01fa 100644
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+@@ -833,6 +833,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes,
+
+ next = skb_gso_segment(skb, netdev_flags);
+ skb_shinfo(skb)->gso_size = mss;
++ skb_shinfo(skb)->gso_type = ipv4 ? SKB_GSO_TCPV4 : SKB_GSO_TCPV6;
+ if (WARN_ON_ONCE(IS_ERR(next)))
+ return -EINVAL;
+ else if (next)
+@@ -855,6 +856,8 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes,
+
+ if (tcp_payload_len > mss) {
+ skb_shinfo(tmp)->gso_size = mss;
++ skb_shinfo(tmp)->gso_type = ipv4 ? SKB_GSO_TCPV4 :
++ SKB_GSO_TCPV6;
+ } else {
+ if (qos) {
+ u8 *qc;
+--
+cgit v1.2.3-1-gf6bb5
+