diff options
| -rw-r--r-- | fs/cifs/CHANGES | 8 | ||||
| -rw-r--r-- | fs/cifs/connect.c | 15 | ||||
| -rw-r--r-- | fs/cifs/netmisc.c | 24 |
3 files changed, 40 insertions, 7 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 713fec66913..301631cac7f 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -1,4 +1,10 @@ -Verison 1.48 +Version 1.49 +------------ +IPv6 support. Enable ipv6 addresses to be passed on mount (put the ipv6 +address after the "ip=" mount option, at least until mount.cifs is fixed to +handle DNS host to ipv6 name translation). + +Version 1.48 ------------ Fix mtime bouncing around from local idea of last write times to remote time. Fix hang (in i_size_read) when simultaneous size update of same remote file diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9e41f8ea5fb..c139fbd24be 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1790,11 +1790,12 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, existingCifsSes = cifs_find_tcp_session(&sin_server.sin_addr, NULL /* no ipv6 addr */, volume_info.username, &srvTcp); - else if(address_type == AF_INET6) + else if(address_type == AF_INET6) { + cFYI(1,("looking for ipv6 address")); existingCifsSes = cifs_find_tcp_session(NULL /* no ipv4 addr */, &sin_server6.sin6_addr, volume_info.username, &srvTcp); - else { + } else { kfree(volume_info.UNC); kfree(volume_info.password); kfree(volume_info.prepath); @@ -1810,12 +1811,18 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, sin_server.sin_port = htons(volume_info.port); else sin_server.sin_port = 0; - rc = ipv4_connect(&sin_server,&csocket, + if (address_type == AF_INET6) { + cFYI(1,("attempting ipv6 connect")); + /* BB should we allow ipv6 on port 139? */ + /* other OS never observed in Wild doing 139 with v6 */ + rc = ipv6_connect(&sin_server6,&csocket); + } else + rc = ipv4_connect(&sin_server,&csocket, volume_info.source_rfc1001_name, volume_info.target_rfc1001_name); if (rc < 0) { cERROR(1, - ("Error connecting to IPv4 socket. Aborting operation")); + ("Error connecting to IPv4 socket. Aborting operation")); if(csocket != NULL) sock_release(csocket); kfree(volume_info.UNC); diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index 992e80edc72..53e304d5954 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -30,6 +30,9 @@ #include <linux/fs.h> #include <asm/div64.h> #include <asm/byteorder.h> +#ifdef CONFIG_CIFS_EXPERIMENTAL +#include <linux/inet.h> +#endif #include "cifsfs.h" #include "cifspdu.h" #include "cifsglob.h" @@ -129,11 +132,27 @@ static const struct smb_to_posix_error mapping_table_ERRHRD[] = { /* Convert string containing dotted ip address to binary form */ /* returns 0 if invalid address */ -/* BB add address family, change rc to status flag and return union or for ipv6 */ -/* will need parent to call something like inet_pton to convert ipv6 address BB */ int cifs_inet_pton(int address_family, char *cp,void *dst) { +#ifdef CONFIG_CIFS_EXPERIMENTAL + int ret = 0; + + /* calculate length by finding first slash or NULL */ + /* BB Should we convert '/' slash to '\' here since it seems already done + before this */ + if( address_family == AF_INET ){ + ret = in4_pton(cp, -1 /* len */, dst , '\\', NULL); + } else if( address_family == AF_INET6 ){ + ret = in6_pton(cp, -1 /* len */, dst , '\\', NULL); + } +#ifdef CONFIG_CIFS_DEBUG2 + cFYI(1,("address conversion returned %d for %s", ret, cp)); +#endif + if (ret > 0) + ret = 1; + return ret; +#else int value; int digit; int i; @@ -192,6 +211,7 @@ cifs_inet_pton(int address_family, char *cp,void *dst) *((__be32 *)dst) = *((__be32 *) bytes) | htonl(value); return 1; /* success */ +#endif /* EXPERIMENTAL */ } /***************************************************************************** |