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authorMark Brown <broonie@kernel.org>2020-12-10 13:30:11 +0000
committerMark Brown <broonie@kernel.org>2020-12-10 13:30:11 +0000
commit49ab19a4a51a31cb06992386cec4be82ebca5a2d (patch)
treede7d31ec7ded2c8ab8dbdfe5a55fa283068023d0 /net/mptcp
parentb0dfd948379c79b8754e224e29b99d30ce0d79b8 (diff)
parent3b25f337929e73232f0aa990cd68a129f53652e2 (diff)
Merge series "spi: spi-geni-qcom: Use gpio descriptors for CS" from Stephen Boyd <swboyd@chromium.org>:
Collected patches from the two series below and associated tags so they can be merged in one pile through the spi tree. Merry December! SPI: https://lore.kernel.org/r/20201202214935.1114381-1-swboyd@chromium.org cros-ec: https://lore.kernel.org/r/20201203011649.1405292-1-swboyd@chromium.org Cc: Akash Asthana <akashast@codeaurora.org> Cc: Simon Glass <sjg@chromium.org> Cc: Gwendal Grignou <gwendal@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Alexandru M Stan <amstan@chromium.org> Stephen Boyd (3): platform/chrome: cros_ec_spi: Don't overwrite spi::mode platform/chrome: cros_ec_spi: Drop bits_per_word assignment spi: spi-geni-qcom: Use the new method of gpio CS control drivers/platform/chrome/cros_ec_spi.c | 2 -- drivers/spi/spi-geni-qcom.c | 1 + 2 files changed, 1 insertion(+), 2 deletions(-) base-commit: b65054597872ce3aefbc6a666385eabdf9e288da -- https://chromeos.dev
Diffstat (limited to 'net/mptcp')
-rw-r--r--net/mptcp/protocol.c11
-rw-r--r--net/mptcp/subflow.c5
-rw-r--r--net/mptcp/token.c2
3 files changed, 14 insertions, 4 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 185dacb39781..88f2a7a0ccb8 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -274,6 +274,15 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk,
skb_ext_reset(skb);
skb_orphan(skb);
+ /* try to fetch required memory from subflow */
+ if (!sk_rmem_schedule(sk, skb, skb->truesize)) {
+ if (ssk->sk_forward_alloc < skb->truesize)
+ goto drop;
+ __sk_mem_reclaim(ssk, skb->truesize);
+ if (!sk_rmem_schedule(sk, skb, skb->truesize))
+ goto drop;
+ }
+
/* the skb map_seq accounts for the skb offset:
* mptcp_subflow_get_mapped_dsn() is based on the current tp->copied_seq
* value
@@ -301,6 +310,7 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk,
* will retransmit as needed, if needed.
*/
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_DUPDATA);
+drop:
mptcp_drop(sk, skb);
return false;
}
@@ -2457,6 +2467,7 @@ static struct proto mptcp_prot = {
.memory_pressure = &tcp_memory_pressure,
.stream_memory_free = mptcp_memory_free,
.sysctl_wmem_offset = offsetof(struct net, ipv4.sysctl_tcp_wmem),
+ .sysctl_rmem_offset = offsetof(struct net, ipv4.sysctl_tcp_rmem),
.sysctl_mem = sysctl_tcp_mem,
.obj_size = sizeof(struct mptcp_sock),
.slab_flags = SLAB_TYPESAFE_BY_RCU,
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index ac4a1fe3550b..953906e40742 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -543,9 +543,8 @@ create_msk:
fallback = true;
} else if (subflow_req->mp_join) {
mptcp_get_options(skb, &mp_opt);
- if (!mp_opt.mp_join ||
- !mptcp_can_accept_new_subflow(subflow_req->msk) ||
- !subflow_hmac_valid(req, &mp_opt)) {
+ if (!mp_opt.mp_join || !subflow_hmac_valid(req, &mp_opt) ||
+ !mptcp_can_accept_new_subflow(subflow_req->msk)) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);
fallback = true;
}
diff --git a/net/mptcp/token.c b/net/mptcp/token.c
index 8b47c4bb1c6b..feb4b9ffd462 100644
--- a/net/mptcp/token.c
+++ b/net/mptcp/token.c
@@ -291,7 +291,7 @@ struct mptcp_sock *mptcp_token_iter_next(const struct net *net, long *s_slot,
{
struct mptcp_sock *ret = NULL;
struct hlist_nulls_node *pos;
- int slot, num;
+ int slot, num = 0;
for (slot = *s_slot; slot <= token_mask; *s_num = 0, slot++) {
struct token_bucket *bucket = &token_hash[slot];