From: Philip Homburg Date: Mon, 10 Jul 2006 12:55:33 +0000 (+0000) Subject: Safecopy support for INET. X-Git-Tag: v3.1.3~257 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/addsub.png?a=commitdiff_plain;h=9939089dead41ad778fabae8071c2c20e5066b7a;p=minix.git Safecopy support for INET. --- diff --git a/servers/inet/generic/eth.c b/servers/inet/generic/eth.c index 8a118b0a6..59a17dc33 100644 --- a/servers/inet/generic/eth.c +++ b/servers/inet/generic/eth.c @@ -1127,6 +1127,8 @@ eth_port_t *eth_port; u32_t flags; eth_port_t *vp; + assert(eth_port); + if (eth_port->etp_vlan) { /* Configure underlying device */ diff --git a/servers/inet/inet_config.c b/servers/inet/inet_config.c index 9937dc8b5..11c19f97a 100644 --- a/servers/inet/inet_config.c +++ b/servers/inet/inet_config.c @@ -359,7 +359,7 @@ void *alloc(size_t size) { /* Allocate memory on the heap with sbrk(). */ - return sbrk((size + (sizeof(char *) - 1)) & ~(sizeof(char *) - 1)); + return malloc(size); } /* diff --git a/servers/inet/mnx_eth.c b/servers/inet/mnx_eth.c index 75a810e12..dad9d60b7 100644 --- a/servers/inet/mnx_eth.c +++ b/servers/inet/mnx_eth.c @@ -7,6 +7,7 @@ Copyright 1995 Philip Homburg */ #include "inet.h" +#include #include "proto.h" #include "osdep_eth.h" #include "generic/type.h" @@ -32,17 +33,63 @@ FORWARD _PROTOTYPE( void eth_restart, (eth_port_t *eth_port, int tasknr) ); PUBLIC void osdep_eth_init() { - int i, r, tasknr, rport; + int i, j, r, tasknr, rport; struct eth_conf *ecp; eth_port_t *eth_port, *rep; message mess; + cp_grant_id_t gid; /* First initialize normal ethernet interfaces */ for (i= 0, ecp= eth_conf, eth_port= eth_port_table; ietp_osdep.etp_wr_iovec[j].iov_grant= -1; + eth_port->etp_osdep.etp_wr_vec_grant= -1; + for (j= 0; jetp_osdep.etp_rd_iovec[j].iov_grant= -1; + eth_port->etp_osdep.etp_rd_vec_grant= -1; + if (eth_is_vlan(ecp)) continue; + + /* Allocate grants */ + for (j= 0; jetp_osdep.etp_wr_iovec[j].iov_grant= gid; + } + if (cpf_getgrants(&gid, 1) != 1) + { + ip_panic(( + "osdep_eth_init: cpf_getgrants failed: %d\n", + errno)); + } + eth_port->etp_osdep.etp_wr_vec_grant= gid; + for (j= 0; jetp_osdep.etp_rd_iovec[j].iov_grant= gid; + } + if (cpf_getgrants(&gid, 1) != 1) + { + ip_panic(( + "osdep_eth_init: cpf_getgrants failed: %d\n", + errno)); + } + eth_port->etp_osdep.etp_rd_vec_grant= gid; + #ifdef __minix_vmd r= sys_findproc(ecp->ec_task, &tasknr, 0); #else /* Minix 3 */ @@ -63,7 +110,7 @@ PUBLIC void osdep_eth_init() eth_port->etp_osdep.etp_task= tasknr; ev_init(ð_port->etp_osdep.etp_recvev); - mess.m_type= DL_INIT; + mess.m_type= DL_CONF; mess.DL_PORT= eth_port->etp_osdep.etp_port; mess.DL_PROC= this_proc; mess.DL_MODE= DL_NOMODE; @@ -191,7 +238,7 @@ acc_t *pack; message mess1, block_msg; int i, pack_size; acc_t *pack_ptr; - iovec_t *iovec; + iovec_s_t *iovec; u8_t *eth_dst_ptr; int multicast, r; ev_arg_t ev_arg; @@ -207,7 +254,17 @@ acc_t *pack; for (i=0, pack_ptr= pack; iacc_next) { - iovec[i].iov_addr= (vir_bytes)ptr2acc_data(pack_ptr); + r= cpf_setgrant_direct(iovec[i].iov_grant, + eth_port->etp_osdep.etp_task, + (vir_bytes)ptr2acc_data(pack_ptr), + (vir_bytes)pack_ptr->acc_length, + CPF_READ); + if (r != 0) + { + ip_panic(( + "eth_write_port: cpf_setgrant_direct failed: %d\n", + errno)); + } pack_size += iovec[i].iov_size= pack_ptr->acc_length; } if (i>= IOVEC_NR) @@ -218,28 +275,39 @@ acc_t *pack; for (i=0, pack_ptr= pack; iacc_next) { - iovec[i].iov_addr= (vir_bytes)ptr2acc_data(pack_ptr); + r= cpf_setgrant_direct(iovec[i].iov_grant, + eth_port->etp_osdep.etp_task, + (vir_bytes)ptr2acc_data(pack_ptr), + (vir_bytes)pack_ptr->acc_length, + CPF_READ); + if (r != 0) + { + ip_panic(( + "eth_write_port: cpf_setgrant_direct failed: %d\n", + errno)); + } pack_size += iovec[i].iov_size= pack_ptr->acc_length; } } assert (i< IOVEC_NR); assert (pack_size >= ETH_MIN_PACK_SIZE); - if (i == 1) - { - /* simple packets can be sent using DL_WRITE instead of - * DL_WRITEV. - */ - mess1.DL_COUNT= iovec[0].iov_size; - mess1.DL_ADDR= (char *)iovec[0].iov_addr; - mess1.m_type= DL_WRITE; - } - else + + r= cpf_setgrant_direct(eth_port->etp_osdep.etp_wr_vec_grant, + eth_port->etp_osdep.etp_task, + (vir_bytes)iovec, + (vir_bytes)(i * sizeof(iovec[0])), + CPF_READ); + if (r != 0) { - mess1.DL_COUNT= i; - mess1.DL_ADDR= (char *)iovec; - mess1.m_type= DL_WRITEV; + ip_panic(( + "eth_write_port: cpf_setgrant_direct failed: %d\n", + errno)); } + mess1.DL_COUNT= i; + mess1.DL_GRANT= eth_port->etp_osdep.etp_wr_vec_grant; + mess1.m_type= DL_WRITEV_S; + mess1.DL_PORT= eth_port->etp_osdep.etp_port; mess1.DL_PROC= this_proc; mess1.DL_MODE= DL_NOMODE; @@ -426,14 +494,23 @@ eth_port_t *eth_port; eth_stat_t *eth_stat; { int r; + cp_grant_id_t gid; message mess, mlocked; assert(!eth_port->etp_vlan); - mess.m_type= DL_GETSTAT; + gid= cpf_grant_direct(eth_port->etp_osdep.etp_task, + (vir_bytes)eth_stat, sizeof(*eth_stat), CPF_WRITE); + if (gid == -1) + { + ip_panic(( "eth_get_stat: cpf_grant_direct failed: %d\n", + errno)); + } + + mess.m_type= DL_GETSTAT_S; mess.DL_PORT= eth_port->etp_osdep.etp_port; mess.DL_PROC= this_proc; - mess.DL_ADDR= (char *)eth_stat; + mess.DL_GRANT= gid; for (;;) { @@ -447,6 +524,7 @@ eth_stat_t *eth_stat; compare(mlocked.m_type, ==, DL_TASK_REPLY); eth_rec(&mlocked); } + cpf_revoke(gid); if (r != OK) { @@ -493,7 +571,7 @@ u32_t flags; if (flags & NWEO_EN_PROMISC) dl_flags |= DL_PROMISC_REQ; - mess.m_type= DL_INIT; + mess.m_type= DL_CONF; mess.DL_PORT= eth_port->etp_osdep.etp_port; mess.DL_PROC= this_proc; mess.DL_MODE= dl_flags; @@ -522,7 +600,7 @@ u32_t flags; return; } - assert (mess.m_type == DL_INIT_REPLY); + assert (mess.m_type == DL_CONF_REPLY); if (mess.m3_i1 != eth_port->etp_osdep.etp_port) { ip_panic(("got reply for wrong port")); @@ -583,7 +661,7 @@ eth_port_t *eth_port; eth_port_t *loc_port; acc_t *pack, *pack_ptr; message mess1, block_msg; - iovec_t *iovec; + iovec_s_t *iovec; ev_arg_t ev_arg; int i, r; @@ -600,22 +678,44 @@ eth_port_t *eth_port; for (i=0, pack_ptr= pack; iacc_next) { - iovec[i].iov_addr= (vir_bytes)ptr2acc_data(pack_ptr); + r= cpf_setgrant_direct(iovec[i].iov_grant, + eth_port->etp_osdep.etp_task, + (vir_bytes)ptr2acc_data(pack_ptr), + (vir_bytes)pack_ptr->acc_length, + CPF_WRITE); + if (r != 0) + { + ip_panic(( + "mnx_eth`setup_read: cpf_setgrant_direct failed: %d\n", + errno)); + } iovec[i].iov_size= (vir_bytes)pack_ptr->acc_length; } assert (!pack_ptr); - mess1.m_type= DL_READV; + r= cpf_setgrant_direct(eth_port->etp_osdep.etp_rd_vec_grant, + eth_port->etp_osdep.etp_task, + (vir_bytes)iovec, + (vir_bytes)(i * sizeof(iovec[0])), + CPF_READ); + if (r != 0) + { + ip_panic(( + "mnx_eth`setup_read: cpf_setgrant_direct failed: %d\n", + errno)); + } + + mess1.m_type= DL_READV_S; mess1.DL_PORT= eth_port->etp_osdep.etp_port; mess1.DL_PROC= this_proc; mess1.DL_COUNT= i; - mess1.DL_ADDR= (char *)iovec; + mess1.DL_GRANT= eth_port->etp_osdep.etp_rd_vec_grant; for (;;) { if (recv_debug) { - printf("eth%d: sending DL_READV\n", + printf("eth%d: sending DL_READV_S\n", mess1.DL_PORT); } r= sendrec(eth_port->etp_osdep.etp_task, &mess1); @@ -795,7 +895,7 @@ int tasknr; dl_flags |= DL_MULTI_REQ; if (flags & NWEO_EN_PROMISC) dl_flags |= DL_PROMISC_REQ; - mess.m_type= DL_INIT; + mess.m_type= DL_CONF; mess.DL_PORT= eth_port->etp_osdep.etp_port; mess.DL_PROC= this_proc; mess.DL_MODE= dl_flags; diff --git a/servers/inet/osdep_eth.h b/servers/inet/osdep_eth.h index f6742f85f..a31cc6586 100644 --- a/servers/inet/osdep_eth.h +++ b/servers/inet/osdep_eth.h @@ -19,8 +19,10 @@ typedef struct osdep_eth_port int etp_task; int etp_port; int etp_recvconf; - iovec_t etp_wr_iovec[IOVEC_NR]; - iovec_t etp_rd_iovec[RD_IOVEC]; + iovec_s_t etp_wr_iovec[IOVEC_NR]; + cp_grant_id_t etp_wr_vec_grant; + iovec_s_t etp_rd_iovec[RD_IOVEC]; + cp_grant_id_t etp_rd_vec_grant; event_t etp_recvev; message etp_sendrepl; message etp_recvrepl;