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Diffstat (limited to 'net/dccp/options.c')
-rw-r--r--net/dccp/options.c68
1 files changed, 30 insertions, 38 deletions
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 07a34696ac9..c03ba61eb6d 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -22,23 +22,23 @@
#include "dccp.h"
#include "feat.h"
-int dccp_feat_default_sequence_window = DCCPF_INITIAL_SEQUENCE_WINDOW;
-int dccp_feat_default_rx_ccid = DCCPF_INITIAL_CCID;
-int dccp_feat_default_tx_ccid = DCCPF_INITIAL_CCID;
-int dccp_feat_default_ack_ratio = DCCPF_INITIAL_ACK_RATIO;
-int dccp_feat_default_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
-int dccp_feat_default_send_ndp_count = DCCPF_INITIAL_SEND_NDP_COUNT;
+int sysctl_dccp_feat_sequence_window = DCCPF_INITIAL_SEQUENCE_WINDOW;
+int sysctl_dccp_feat_rx_ccid = DCCPF_INITIAL_CCID;
+int sysctl_dccp_feat_tx_ccid = DCCPF_INITIAL_CCID;
+int sysctl_dccp_feat_ack_ratio = DCCPF_INITIAL_ACK_RATIO;
+int sysctl_dccp_feat_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
+int sysctl_dccp_feat_send_ndp_count = DCCPF_INITIAL_SEND_NDP_COUNT;
-EXPORT_SYMBOL_GPL(dccp_feat_default_sequence_window);
+EXPORT_SYMBOL_GPL(sysctl_dccp_feat_sequence_window);
void dccp_minisock_init(struct dccp_minisock *dmsk)
{
- dmsk->dccpms_sequence_window = dccp_feat_default_sequence_window;
- dmsk->dccpms_rx_ccid = dccp_feat_default_rx_ccid;
- dmsk->dccpms_tx_ccid = dccp_feat_default_tx_ccid;
- dmsk->dccpms_ack_ratio = dccp_feat_default_ack_ratio;
- dmsk->dccpms_send_ack_vector = dccp_feat_default_send_ack_vector;
- dmsk->dccpms_send_ndp_count = dccp_feat_default_send_ndp_count;
+ dmsk->dccpms_sequence_window = sysctl_dccp_feat_sequence_window;
+ dmsk->dccpms_rx_ccid = sysctl_dccp_feat_rx_ccid;
+ dmsk->dccpms_tx_ccid = sysctl_dccp_feat_tx_ccid;
+ dmsk->dccpms_ack_ratio = sysctl_dccp_feat_ack_ratio;
+ dmsk->dccpms_send_ack_vector = sysctl_dccp_feat_send_ack_vector;
+ dmsk->dccpms_send_ndp_count = sysctl_dccp_feat_send_ndp_count;
}
static u32 dccp_decode_value_var(const unsigned char *bf, const u8 len)
@@ -60,12 +60,9 @@ static u32 dccp_decode_value_var(const unsigned char *bf, const u8 len)
int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
{
struct dccp_sock *dp = dccp_sk(sk);
-#ifdef CONFIG_IP_DCCP_DEBUG
- const char *debug_prefix = dp->dccps_role == DCCP_ROLE_CLIENT ?
- "CLIENT rx opt: " : "server rx opt: ";
-#endif
const struct dccp_hdr *dh = dccp_hdr(skb);
const u8 pkt_type = DCCP_SKB_CB(skb)->dccpd_type;
+ u64 ackno = DCCP_SKB_CB(skb)->dccpd_ack_seq;
unsigned char *options = (unsigned char *)dh + dccp_hdr_len(skb);
unsigned char *opt_ptr = options;
const unsigned char *opt_end = (unsigned char *)dh +
@@ -119,7 +116,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
goto out_invalid_option;
opt_recv->dccpor_ndp = dccp_decode_value_var(value, len);
- dccp_pr_debug("%sNDP count=%d\n", debug_prefix,
+ dccp_pr_debug("%s rx opt: NDP count=%d\n", dccp_role(sk),
opt_recv->dccpor_ndp);
break;
case DCCPO_CHANGE_L:
@@ -153,7 +150,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
break;
if (dccp_msk(sk)->dccpms_send_ack_vector &&
- dccp_ackvec_parse(sk, skb, opt, value, len))
+ dccp_ackvec_parse(sk, skb, &ackno, opt, value, len))
goto out_invalid_option;
break;
case DCCPO_TIMESTAMP:
@@ -165,8 +162,8 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
dp->dccps_timestamp_echo = opt_recv->dccpor_timestamp;
dccp_timestamp(sk, &dp->dccps_timestamp_time);
- dccp_pr_debug("%sTIMESTAMP=%u, ackno=%llu\n",
- debug_prefix, opt_recv->dccpor_timestamp,
+ dccp_pr_debug("%s rx opt: TIMESTAMP=%u, ackno=%llu\n",
+ dccp_role(sk), opt_recv->dccpor_timestamp,
(unsigned long long)
DCCP_SKB_CB(skb)->dccpd_ack_seq);
break;
@@ -176,8 +173,8 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
opt_recv->dccpor_timestamp_echo = ntohl(*(__be32 *)value);
- dccp_pr_debug("%sTIMESTAMP_ECHO=%u, len=%d, ackno=%llu, ",
- debug_prefix,
+ dccp_pr_debug("%s rx opt: TIMESTAMP_ECHO=%u, len=%d, "
+ "ackno=%llu, ", dccp_role(sk),
opt_recv->dccpor_timestamp_echo,
len + 2,
(unsigned long long)
@@ -211,11 +208,11 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
if (elapsed_time > opt_recv->dccpor_elapsed_time)
opt_recv->dccpor_elapsed_time = elapsed_time;
- dccp_pr_debug("%sELAPSED_TIME=%d\n", debug_prefix,
- elapsed_time);
+ dccp_pr_debug("%s rx opt: ELAPSED_TIME=%d\n",
+ dccp_role(sk), elapsed_time);
break;
/*
- * From draft-ietf-dccp-spec-11.txt:
+ * From RFC 4340, sec. 10.3:
*
* Option numbers 128 through 191 are for
* options sent from the HC-Sender to the
@@ -242,9 +239,8 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
}
break;
default:
- pr_info("DCCP(%p): option %d(len=%d) not "
- "implemented, ignoring\n",
- sk, opt, len);
+ DCCP_CRIT("DCCP(%p): option %d(len=%d) not "
+ "implemented, ignoring", sk, opt, len);
break;
}
@@ -261,7 +257,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
out_invalid_option:
DCCP_INC_STATS_BH(DCCP_MIB_INVALIDOPT);
DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_OPTION_ERROR;
- pr_info("DCCP(%p): invalid option %d, len=%d\n", sk, opt, len);
+ DCCP_WARN("DCCP(%p): invalid option %d, len=%d", sk, opt, len);
return -1;
}
@@ -451,8 +447,7 @@ static int dccp_insert_feat_opt(struct sk_buff *skb, u8 type, u8 feat,
u8 *to;
if (DCCP_SKB_CB(skb)->dccpd_opt_len + len + 3 > DCCP_MAX_OPT_LEN) {
- LIMIT_NETDEBUG(KERN_INFO "DCCP: packet too small"
- " to insert feature %d option!\n", feat);
+ DCCP_WARN("packet too small for feature %d option!\n", feat);
return -1;
}
@@ -465,8 +460,10 @@ static int dccp_insert_feat_opt(struct sk_buff *skb, u8 type, u8 feat,
if (len)
memcpy(to, val, len);
- dccp_pr_debug("option %d feat %d len %d\n", type, feat, len);
+ dccp_pr_debug("%s(%s (%d), ...), length %d\n",
+ dccp_feat_typename(type),
+ dccp_feat_name(feat), feat, len);
return 0;
}
@@ -560,11 +557,6 @@ int dccp_insert_options(struct sock *sk, struct sk_buff *skb)
return -1;
dp->dccps_hc_rx_insert_options = 0;
}
- if (dp->dccps_hc_tx_insert_options) {
- if (ccid_hc_tx_insert_options(dp->dccps_hc_tx_ccid, sk, skb))
- return -1;
- dp->dccps_hc_tx_insert_options = 0;
- }
/* Feature negotiation */
/* Data packets can't do feat negotiation */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-20 15:56:14 +0000