diff --git a/libc/kernel/uapi/linux/rds.h b/libc/kernel/uapi/linux/rds.h
index 66cb905..ac2f77f 100644
--- a/libc/kernel/uapi/linux/rds.h
+++ b/libc/kernel/uapi/linux/rds.h
@@ -21,203 +21,211 @@
 #include <linux/types.h>
 #define RDS_IB_ABI_VERSION 0x301
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SOL_RDS 276
 #define RDS_CANCEL_SENT_TO 1
 #define RDS_GET_MR 2
 #define RDS_FREE_MR 3
-#define RDS_RECVERR 5
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define RDS_RECVERR 5
 #define RDS_CONG_MONITOR 6
 #define RDS_GET_MR_FOR_DEST 7
+#define SO_RDS_TRANSPORT 8
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define RDS_TRANS_IB 0
+#define RDS_TRANS_IWARP 1
+#define RDS_TRANS_TCP 2
+#define RDS_TRANS_COUNT 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define RDS_TRANS_NONE (~0)
 #define RDS_CMSG_RDMA_ARGS 1
 #define RDS_CMSG_RDMA_DEST 2
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_CMSG_RDMA_MAP 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_CMSG_RDMA_STATUS 4
 #define RDS_CMSG_CONG_UPDATE 5
 #define RDS_CMSG_ATOMIC_FADD 6
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_CMSG_ATOMIC_CSWP 7
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_CMSG_MASKED_ATOMIC_FADD 8
 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9
 #define RDS_INFO_FIRST 10000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_COUNTERS 10000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_CONNECTIONS 10001
 #define RDS_INFO_SEND_MESSAGES 10003
 #define RDS_INFO_RETRANS_MESSAGES 10004
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_RECV_MESSAGES 10005
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_SOCKETS 10006
 #define RDS_INFO_TCP_SOCKETS 10007
 #define RDS_INFO_IB_CONNECTIONS 10008
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_CONNECTION_STATS 10009
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_IWARP_CONNECTIONS 10010
 #define RDS_INFO_LAST 10010
 struct rds_info_counter {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint8_t name[32];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t value;
 } __attribute__((packed));
 #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04
 #define TRANSNAMSIZ 16
 struct rds_info_connection {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t next_tx_seq;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t next_rx_seq;
   __be32 laddr;
   __be32 faddr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint8_t transport[TRANSNAMSIZ];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint8_t flags;
 } __attribute__((packed));
 #define RDS_INFO_MESSAGE_FLAG_ACK 0x01
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct rds_info_message {
   uint64_t seq;
   uint32_t len;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 laddr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 faddr;
   __be16 lport;
   __be16 fport;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint8_t flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((packed));
 struct rds_info_socket {
   uint32_t sndbuf;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 bound_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 connected_addr;
   __be16 bound_port;
   __be16 connected_port;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t rcvbuf;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t inum;
 } __attribute__((packed));
 struct rds_info_tcp_socket {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 local_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be16 local_port;
   __be32 peer_addr;
   __be16 peer_port;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t hdr_rem;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t data_rem;
   uint32_t last_sent_nxt;
   uint32_t last_expected_una;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t last_seen_una;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((packed));
 #define RDS_IB_GID_LEN 16
 struct rds_info_rdma_connection {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 src_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __be32 dst_addr;
   uint8_t src_gid[RDS_IB_GID_LEN];
   uint8_t dst_gid[RDS_IB_GID_LEN];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t max_send_wr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t max_recv_wr;
   uint32_t max_send_sge;
   uint32_t rdma_mr_max;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t rdma_mr_size;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define RDS_CONG_MONITOR_SIZE 64
 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef uint64_t rds_rdma_cookie_t;
 struct rds_iovec {
   uint64_t addr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t bytes;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct rds_get_mr_args {
   struct rds_iovec vec;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t cookie_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t flags;
 };
 struct rds_get_mr_for_dest_args {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   struct sockaddr_storage dest_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   struct rds_iovec vec;
   uint64_t cookie_addr;
   uint64_t flags;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct rds_free_mr_args {
   rds_rdma_cookie_t cookie;
   uint64_t flags;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct rds_rdma_args {
   rds_rdma_cookie_t cookie;
   struct rds_iovec remote_vec;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t local_vec_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t nr_local;
   uint64_t flags;
   uint64_t user_token;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct rds_atomic_args {
   rds_rdma_cookie_t cookie;
   uint64_t local_addr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t remote_addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   union {
     struct {
       uint64_t compare;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       uint64_t swap;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     } cswp;
     struct {
       uint64_t add;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     } fadd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     struct {
       uint64_t compare;
       uint64_t swap;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       uint64_t compare_mask;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       uint64_t swap_mask;
     } m_cswp;
     struct {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       uint64_t add;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       uint64_t nocarry_mask;
     } m_fadd;
   };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t user_token;
 };
 struct rds_rdma_notify {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t user_token;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   int32_t status;
 };
 #define RDS_RDMA_SUCCESS 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_RDMA_REMOTE_ERROR 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_RDMA_CANCELED 2
 #define RDS_RDMA_DROPPED 3
 #define RDS_RDMA_OTHER_ERROR 4
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_RDMA_READWRITE 0x0001
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_RDMA_FENCE 0x0002
 #define RDS_RDMA_INVALIDATE 0x0004
 #define RDS_RDMA_USE_ONCE 0x0008
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_RDMA_DONTWAIT 0x0010
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RDS_RDMA_NOTIFY_ME 0x0020
 #define RDS_RDMA_SILENT 0x0040
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */