Author: afedorov Date: Fri May 8 17:15:54 2020 New Revision: 360820 URL: https://svnweb.freebsd.org/changeset/base/360820
Log: bhyve: Pass the full string of options to the network backends. Reviewed by: vmaffione Approved by: vmaffione (mentor) Sponsored by: vstack.com Differential Revision: https://reviews.freebsd.org/D24735 Modified: head/usr.sbin/bhyve/net_backends.c head/usr.sbin/bhyve/net_backends.h head/usr.sbin/bhyve/pci_e82545.c head/usr.sbin/bhyve/pci_virtio_net.c Modified: head/usr.sbin/bhyve/net_backends.c ============================================================================== --- head/usr.sbin/bhyve/net_backends.c Fri May 8 17:01:33 2020 (r360819) +++ head/usr.sbin/bhyve/net_backends.c Fri May 8 17:15:54 2020 (r360820) @@ -91,7 +91,7 @@ struct net_backend { * and should not be called by the frontend. */ int (*init)(struct net_backend *be, const char *devname, - net_be_rxeof_t cb, void *param); + const char *opts, net_be_rxeof_t cb, void *param); void (*cleanup)(struct net_backend *be); /* @@ -199,7 +199,7 @@ tap_cleanup(struct net_backend *be) static int tap_init(struct net_backend *be, const char *devname, - net_be_rxeof_t cb, void *param) + const char *opts, net_be_rxeof_t cb, void *param) { struct tap_priv *priv = (struct tap_priv *)be->opaque; char tbuf[80]; @@ -473,7 +473,7 @@ netmap_set_cap(struct net_backend *be, uint64_t featur static int netmap_init(struct net_backend *be, const char *devname, - net_be_rxeof_t cb, void *param) + const char *opts, net_be_rxeof_t cb, void *param) { struct netmap_priv *priv = (struct netmap_priv *)be->opaque; @@ -746,12 +746,22 @@ DATA_SET(net_backend_set, vale_backend); * the argument for the callback. */ int -netbe_init(struct net_backend **ret, const char *devname, net_be_rxeof_t cb, +netbe_init(struct net_backend **ret, const char *opts, net_be_rxeof_t cb, void *param) { struct net_backend **pbe, *nbe, *tbe = NULL; + char *devname; + char *options; int err; + devname = options = strdup(opts); + + if (devname == NULL) { + return (-1); + } + + devname = strsep(&options, ","); + /* * Find the network backend that matches the user-provided * device name. net_backend_set is built using a linker set. @@ -771,8 +781,11 @@ netbe_init(struct net_backend **ret, const char *devna } *ret = NULL; - if (tbe == NULL) + if (tbe == NULL) { + free(devname); return (EINVAL); + } + nbe = calloc(1, sizeof(*nbe) + tbe->priv_size); *nbe = *tbe; /* copy the template */ nbe->fd = -1; @@ -781,13 +794,15 @@ netbe_init(struct net_backend **ret, const char *devna nbe->fe_vnet_hdr_len = 0; /* Initialize the backend. */ - err = nbe->init(nbe, devname, cb, param); + err = nbe->init(nbe, devname, options, cb, param); if (err) { + free(devname); free(nbe); return (err); } *ret = nbe; + free(devname); return (0); } Modified: head/usr.sbin/bhyve/net_backends.h ============================================================================== --- head/usr.sbin/bhyve/net_backends.h Fri May 8 17:01:33 2020 (r360819) +++ head/usr.sbin/bhyve/net_backends.h Fri May 8 17:15:54 2020 (r360820) @@ -37,7 +37,7 @@ typedef struct net_backend net_backend_t; /* Interface between network frontends and the network backends. */ typedef void (*net_be_rxeof_t)(int, enum ev_type, void *param); -int netbe_init(net_backend_t **be, const char *devname, net_be_rxeof_t cb, +int netbe_init(net_backend_t **be, const char *opts, net_be_rxeof_t cb, void *param); void netbe_cleanup(net_backend_t *be); uint64_t netbe_get_cap(net_backend_t *be); Modified: head/usr.sbin/bhyve/pci_e82545.c ============================================================================== --- head/usr.sbin/bhyve/pci_e82545.c Fri May 8 17:01:33 2020 (r360819) +++ head/usr.sbin/bhyve/pci_e82545.c Fri May 8 17:15:54 2020 (r360820) @@ -2281,7 +2281,7 @@ e82545_init(struct vmctx *ctx, struct pci_devinst *pi, { char nstr[80]; struct e82545_softc *sc; - char *devname; + char *optscopy; char *vtopts; int mac_provided; @@ -2332,7 +2332,7 @@ e82545_init(struct vmctx *ctx, struct pci_devinst *pi, if (opts != NULL) { int err = 0; - devname = vtopts = strdup(opts); + optscopy = vtopts = strdup(opts); (void) strsep(&vtopts, ","); /* @@ -2357,15 +2357,18 @@ e82545_init(struct vmctx *ctx, struct pci_devinst *pi, } } + free(optscopy); + if (err) { - free(devname); + free(sc); return (err); } - err = netbe_init(&sc->esc_be, devname, e82545_rx_callback, sc); - free(devname); - if (err) + err = netbe_init(&sc->esc_be, opts, e82545_rx_callback, sc); + if (err) { + free(sc); return (err); + } } if (!mac_provided) { Modified: head/usr.sbin/bhyve/pci_virtio_net.c ============================================================================== --- head/usr.sbin/bhyve/pci_virtio_net.c Fri May 8 17:01:33 2020 (r360819) +++ head/usr.sbin/bhyve/pci_virtio_net.c Fri May 8 17:15:54 2020 (r360820) @@ -577,12 +577,12 @@ pci_vtnet_init(struct vmctx *ctx, struct pci_devinst * mac_provided = 0; mtu_provided = 0; if (opts != NULL) { - char *devname; + char *optscopy; char *vtopts; int err = 0; /* Get the device name. */ - devname = vtopts = strdup(opts); + optscopy = vtopts = strdup(opts); (void) strsep(&vtopts, ","); /* @@ -618,15 +618,16 @@ pci_vtnet_init(struct vmctx *ctx, struct pci_devinst * } } + free(optscopy); + if (err) { - free(devname); free(sc); return (err); } - err = netbe_init(&sc->vsc_be, devname, pci_vtnet_rx_callback, + err = netbe_init(&sc->vsc_be, opts, pci_vtnet_rx_callback, sc); - free(devname); + if (err) { free(sc); return (err); 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