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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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Rejecting non-native endian BTF overlapped with the addition
of support for it.

The rest were more simple overlapping changes, except the
renesas ravb binding update, which had to follow a file
move as well as a YAML conversion.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-10-05 17:33:26 -07:00
parent f4f9dcc3f4 7575fdda56
commit 8b0308fe31
355 changed files with 3476 additions and 1834 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
net/mptcp/options.c
View File

@@ -519,11 +519,11 @@ static bool mptcp_established_options_dss(struct sock *sk, struct sk_buff *skb,
if (subflow->use_64bit_ack) {
ack_size = TCPOLEN_MPTCP_DSS_ACK64;
opts->ext_copy.data_ack = msk->ack_seq;
opts->ext_copy.data_ack = READ_ONCE(msk->ack_seq);
opts->ext_copy.ack64 = 1;
} else {
ack_size = TCPOLEN_MPTCP_DSS_ACK32;
opts->ext_copy.data_ack32 = (uint32_t)(msk->ack_seq);
opts->ext_copy.data_ack32 = (uint32_t)READ_ONCE(msk->ack_seq);
opts->ext_copy.ack64 = 0;
}
opts->ext_copy.use_ack = 1;
@@ -817,7 +817,7 @@ static void update_una(struct mptcp_sock *msk,
}
}
bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq)
bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq, bool use_64bit)
{
/* Skip if DATA_FIN was already received.
* If updating simultaneously with the recvmsg loop, values
@@ -827,7 +827,8 @@ bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq)
if (READ_ONCE(msk->rcv_data_fin) || !READ_ONCE(msk->first))
return false;
WRITE_ONCE(msk->rcv_data_fin_seq, data_fin_seq);
WRITE_ONCE(msk->rcv_data_fin_seq,
expand_ack(READ_ONCE(msk->ack_seq), data_fin_seq, use_64bit));
WRITE_ONCE(msk->rcv_data_fin, 1);
return true;
@@ -919,7 +920,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
*/
if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) {
if (mp_opt.data_fin && mp_opt.data_len == 1 &&
mptcp_update_rcv_data_fin(msk, mp_opt.data_seq) &&
mptcp_update_rcv_data_fin(msk, mp_opt.data_seq, mp_opt.dsn64) &&
schedule_work(&msk->work))
sock_hold(subflow->conn);

8
net/mptcp/protocol.c
View File

@@ -284,7 +284,7 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk,
if (MPTCP_SKB_CB(skb)->map_seq == msk->ack_seq) {
/* in sequence */
msk->ack_seq += copy_len;
WRITE_ONCE(msk->ack_seq, msk->ack_seq + copy_len);
tail = skb_peek_tail(&sk->sk_receive_queue);
if (tail && mptcp_try_coalesce(sk, tail, skb))
return true;
@@ -402,7 +402,7 @@ static void mptcp_check_data_fin(struct sock *sk)
if (mptcp_pending_data_fin(sk, &rcv_data_fin_seq)) {
struct mptcp_subflow_context *subflow;
msk->ack_seq++;
WRITE_ONCE(msk->ack_seq, msk->ack_seq + 1);
WRITE_ONCE(msk->rcv_data_fin, 0);
sk->sk_shutdown |= RCV_SHUTDOWN;
@@ -2039,7 +2039,7 @@ struct sock *mptcp_sk_clone(const struct sock *sk,
msk->remote_key = mp_opt->sndr_key;
mptcp_crypto_key_sha(msk->remote_key, NULL, &ack_seq);
ack_seq++;
msk->ack_seq = ack_seq;
WRITE_ONCE(msk->ack_seq, ack_seq);
}
sock_reset_flag(nsk, SOCK_RCU_FREE);
@@ -2398,7 +2398,7 @@ bool mptcp_finish_join(struct sock *sk)
parent_sock = READ_ONCE(parent->sk_socket);
if (parent_sock && !sk->sk_socket)
mptcp_sock_graft(sk, parent_sock);
subflow->map_seq = msk->ack_seq;
subflow->map_seq = READ_ONCE(msk->ack_seq);
return true;
}

2
net/mptcp/protocol.h
View File

@@ -407,7 +407,7 @@ void mptcp_data_ready(struct sock *sk, struct sock *ssk);
bool mptcp_finish_join(struct sock *sk);
void mptcp_data_acked(struct sock *sk);
void mptcp_subflow_eof(struct sock *sk);
bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq);
bool mptcp_update_rcv_data_fin(struct mptcp_sock *msk, u64 data_fin_seq, bool use_64bit);
void mptcp_destroy_common(struct mptcp_sock *msk);
void __init mptcp_token_init(void);

19
net/mptcp/subflow.c
View File

@@ -732,7 +732,8 @@ static enum mapping_status get_mapping_status(struct sock *ssk,
if (mpext->data_fin == 1) {
if (data_len == 1) {
mptcp_update_rcv_data_fin(msk, mpext->data_seq);
bool updated = mptcp_update_rcv_data_fin(msk, mpext->data_seq,
mpext->dsn64);
pr_debug("DATA_FIN with no payload seq=%llu", mpext->data_seq);
if (subflow->map_valid) {
/* A DATA_FIN might arrive in a DSS
@@ -743,11 +744,23 @@ static enum mapping_status get_mapping_status(struct sock *ssk,
skb_ext_del(skb, SKB_EXT_MPTCP);
return MAPPING_OK;
} else {
if (updated && schedule_work(&msk->work))
sock_hold((struct sock *)msk);
return MAPPING_DATA_FIN;
}
} else {
mptcp_update_rcv_data_fin(msk, mpext->data_seq + data_len);
pr_debug("DATA_FIN with mapping seq=%llu", mpext->data_seq + data_len);
u64 data_fin_seq = mpext->data_seq + data_len;
/* If mpext->data_seq is a 32-bit value, data_fin_seq
* must also be limited to 32 bits.
*/
if (!mpext->dsn64)
data_fin_seq &= GENMASK_ULL(31, 0);
mptcp_update_rcv_data_fin(msk, data_fin_seq, mpext->dsn64);
pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d",
data_fin_seq, mpext->dsn64);
}
/* Adjust for DATA_FIN using 1 byte of sequence space */